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410 Area Code

State: Maryland
Major City: Baltimore
Timezone: Eastern
Current Time: 7:29am
Short URL: allareacodes.com/410

Area Code 410 Map

Where is area code 410?

Area code 410 is located in eastern Maryland and covers Baltimore, Columbia, Glen Burnie, Ellicott City, and Dundalk. It has 2 overlays (443 and 667) that serve the same area.

What time zone is area code 410?

The 410 area code is located in the Eastern timezone. The Eastern time zone is also known as America/New_York. As of the last time this page was loaded, the current time is 7:29am.

History

410 was first put in service October 6, 1991. It was created from area code 301. In 1997, area code 443 was created and is currently an overlay to 410.

Nearby Area Codes

202 (District of Columbia)
223/717 (Lancaster, PA)
240/301 (Germantown, MD)
302 (Delaware)
410/443/667 (Baltimore, MD)
434 (Lynchburg, VA)
484/610 (Allentown, PA)
540 (Roanoke, VA)
571/703 (Arlington, VA)
757 (Virginia Beach, VA)
804 (Richmond, VA)
814 (Erie, PA)
856 (Camden, NJ)

Top 16 Counties in Area Code 410

CountyTotal Population% of 410% of County
Baltimore, MD805,0299%100%
Baltimore, MD620,9611%100%
Anne Arundel, MD537,6567%93%
Harford, MD244,8267%100%
Howard, MD287,0853%76%
Carroll, MD167,1346%96%
Cecil, MD101,1086%100%
Wicomico, MD98,7335%100%
Calvert, MD88,7374%92%
Queen Anne's, MD47,7987%100%
Worcester, MD51,4548%84%
Talbot, MD37,7826%100%
Caroline, MD33,0664%100%
Dorchester, MD32,61811%87%
Somerset, MD26,4708%100%
Kent, MD20,1976%100%

Top 50 Cities in Area Code 410

CityTotal Population% of 410% of City
Baltimore, MD620,9611%100%
Columbia, MD99,6150%93%
Glen Burnie, MD67,6390%100%
Ellicott City, MD65,8340%100%
Dundalk, MD63,5970%100%
Towson, MD55,1970%100%
Bel Air South, MD47,7090%100%
Severn, MD44,2310%100%
Catonsville, MD41,5670%100%
Essex, MD39,2620%100%
Annapolis, MD38,3940%100%
Woodlawn, MD37,8790%100%
Severna Park, MD37,6340%100%
Odenton, MD37,1320%100%
Randallstown, MD32,4300%100%
Pikesville, MD30,7640%100%
Parkville, MD30,7340%100%
Owings Mills, MD30,6220%100%
Bel Air North, MD30,5680%100%
Eldersburg, MD30,5311%100%
Salisbury, MD30,3430%100%
Carney, MD29,9410%100%
Milford Mill, MD29,0420%100%
Perry Hall, MD28,4740%100%
Crofton, MD27,3480%100%
Reisterstown, MD25,9680%100%
Edgewood, MD25,5620%100%
Lochearn, MD25,3330%100%
Middle River, MD25,1910%100%
Pasadena, MD24,2870%100%
Ilchester, MD23,4760%100%
Arnold, MD23,1060%100%
Cockeysville, MD20,7760%100%
Arbutus, MD20,4830%100%
Lake Shore, MD19,4770%100%
Rosedale, MD19,2570%100%
Westminster, MD18,5900%100%
Ferndale, MD16,7460%100%
Easton, MD15,9450%100%
Parole, MD15,9220%100%
Elkridge, MD15,5930%100%
Elkton, MD15,4430%100%
Rossville, MD15,1470%100%
Aberdeen, MD14,9590%100%
Brooklyn Park, MD14,3730%100%
Havre de Grace, MD12,9520%100%
Riviera Beach, MD12,6770%100%
Joppatowne, MD12,6160%100%
Cambridge, MD12,3260%100%
Overlea, MD12,2750%100%

Largest Telephone Carriers

Landline

Prefixes Carrier
64%Verizon
5%Mci Worldcom
2%Teleport America
1%Tw Telecom
1%Baltimore-washington Telephone (bwt)
1%Cavalier Telephone Mid-atlantic
1%Level 3
3%Other

Wireless

Prefixes Carrier
6%Verizon Wireless
6%Cingular
4%Usa Mobility Wireless
3%Sprint
2%Verizon
1%Redi-call
1%Omnipoint Cap Operations
1%Other

Prefixes

Assigned

Usage


Prefix
Usage
Primary City
Carrier
Introduced
(410) 200-
Easton
Mci Worldcom Communications
05/27/2004
(410) 202-
Salisbury
Cellco Partnership DBA Verizon Wireless
10/14/2004
(410) 203-
Ellicott City
Verizon Maryland
07/04/1995
(410) 204-
Arbutus
Verizon Maryland
02/04/1994
(410) 205-
Baltimore
Verizon Maryland
02/04/1994
(410) 206-
Catonsville
New Cingular Wireless PCS - DC
04/15/1996
(410) 207-
Baltimore
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 208-
Berlin
Verizon Maryland
02/04/1994
(410) 209-
Baltimore
Verizon Maryland
07/01/1996
(410) 210-
Salisbury
Aquis Communications
07/01/1996
(410) 212-
Annapolis
Sprint Spectrum
01/10/1996
(410) 213-
Ocean City
Verizon Maryland
02/04/1994
(410) 214-
Rising Sun
Core Communications
03/11/2009
(410) 215-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/11/1995
(410) 216-
Annapolis
Verizon Maryland
01/10/1996
(410) 217-
Baltimore
Verizon Maryland
04/15/1996
(410) 218-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 219-
Salisbury
Verizon Maryland
02/04/1994
(410) 220-
Elkridge
Sprint Spectrum
09/30/2011
(410) 221-
Cambridge
Verizon Maryland
02/04/1994
(410) 222-
Severn
Verizon Maryland
02/04/1994
(410) 223-
Baltimore
Verizon Maryland
09/11/1994
(410) 224-
Annapolis
Verizon Maryland
02/04/1994
(410) 225-
Baltimore
Verizon Maryland
02/04/1994
(410) 226-
Oxford
Verizon Maryland
02/04/1994
(410) 227-
Catonsville
New Cingular Wireless PCS - DC
07/04/1995
(410) 228-
Cambridge
Verizon Maryland
02/04/1994
(410) 229-
Cockeysville
Verizon Maryland
01/10/1996
(410) 230-
Baltimore
Verizon Maryland
10/11/1997
(410) 231-
Solomons
New Cingular Wireless PCS - DC
01/10/1996
(410) 232-
Baltimore
Usa Mobility Wireless
02/04/1994
(410) 233-
Baltimore
Verizon Maryland
02/04/1994
(410) 234-
Baltimore
Verizon Maryland
02/04/1994
(410) 235-
Baltimore
Verizon Maryland
02/04/1994
(410) 236-
Towson
New Cingular Wireless PCS - DC
04/15/1996
(410) 237-
Baltimore
Verizon Maryland
02/04/1994
(410) 238-
Essex
Verizon Maryland
10/15/1996
(410) 239-
Hampstead
Verizon Maryland
02/04/1994
(410) 240-
Baltimore
Sprint Spectrum
10/06/2011
(410) 241-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 242-
Arbutus
Verizon Maryland
02/04/1994
(410) 243-
Baltimore
Verizon Maryland
02/04/1994
(410) 244-
Baltimore
Verizon Maryland
02/04/1994
(410) 245-
Catonsville
New Cingular Wireless PCS - DC
09/11/1994
(410) 246-
Baltimore
Mci Worldcom Communications
02/11/1995
(410) 247-
Arbutus
Verizon Maryland
02/04/1994
(410) 248-
Parkville
Verizon Maryland
01/25/1998
(410) 249-
Towson
Verizon Maryland
10/15/1996
(410) 250-
Ocean City
Verizon Maryland
02/04/1994
(410) 251-
Salisbury
Cellco Partnership DBA Verizon Wireless
01/10/1996
(410) 252-
Towson
Verizon Maryland
02/04/1994
(410) 253-
Easton
New Cingular Wireless PCS - DC
01/10/1996
(410) 254-
Baltimore
Verizon Maryland
02/04/1994
(410) 255-
Pasadena
Verizon Maryland
02/04/1994
(410) 256-
Parkville
Verizon Maryland
02/04/1994
(410) 257-
North Beach
Verizon Maryland
02/04/1994
(410) 258-
Baltimore
Sprint Spectrum
01/10/1996
(410) 259-
Westminster
Cellco Partnership DBA Verizon Wireless
02/11/1995
(410) 260-
Annapolis
Verizon Maryland
02/04/1994
(410) 261-
Baltimore
Verizon Maryland
10/15/1996
(410) 262-
Baltimore
Sprint Spectrum
04/01/1997
(410) 263-
Annapolis
Verizon Maryland
02/04/1994
(410) 264-
Laurel
Verizon Maryland
07/04/1995
(410) 265-
Woodlawn
Verizon Maryland
02/04/1994
(410) 266-
Annapolis
Verizon Maryland
02/04/1994
(410) 267-
Annapolis
Verizon Maryland
02/04/1994
(410) 268-
Annapolis
Verizon Maryland
02/04/1994
(410) 269-
Annapolis
Verizon Maryland
02/04/1994
(410) 270-
Salisbury
Redi-call Communications Co
02/04/1994
(410) 271-
Annapolis
Cellco Partnership DBA Verizon Wireless
02/11/1995
(410) 272-
Aberdeen
Verizon Maryland
02/04/1994
(410) 273-
Aberdeen
Verizon Maryland
02/04/1994
(410) 274-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/11/1995
(410) 275-
Warwick
Verizon Maryland
02/04/1994
(410) 276-
Baltimore
Verizon Maryland
02/04/1994
(410) 277-
Woodlawn
Verizon Maryland
10/15/1996
(410) 278-
Aberdeen
Verizon Maryland
02/04/1994
(410) 279-
Annapolis
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 280-
Annapolis
Verizon Maryland
02/04/1994
(410) 281-
Woodlawn
Verizon Maryland
02/04/1994
(410) 282-
Dundalk
Verizon Maryland
02/04/1994
(410) 283-
Towson
Usa Mobility Wireless
04/15/1996
(410) 284-
Dundalk
Verizon Maryland
02/04/1994
(410) 285-
Dundalk
Verizon Maryland
02/04/1994
(410) 286-
North Beach
Verizon Maryland
10/15/1996
(410) 287-
North East
Verizon Maryland
02/04/1994
(410) 288-
Dundalk
Verizon Maryland
02/04/1994
(410) 289-
Ocean City
Verizon Maryland
02/04/1994
(410) 290-
Columbia
Verizon Maryland
02/04/1994
(410) 291-
Baltimore
Verizon Maryland
02/04/1994
(410) 292-
Catonsville
New Cingular Wireless PCS - DC
02/11/1995
(410) 293-
Annapolis
Paetec Communications
09/11/1994
(410) 294-
Catonsville
New Cingular Wireless PCS - DC
04/15/1996
(410) 295-
Annapolis
Verizon Maryland
04/15/1996
(410) 296-
Towson
Verizon Maryland
02/04/1994
(410) 297-
Aberdeen
Verizon Maryland
01/11/1997
(410) 298-
Woodlawn
Verizon Maryland
02/04/1994
(410) 299-
Baltimore
Cellco Partnership DBA Verizon Wireless
04/01/1997
(410) 300-
Elkridge
Sprint Spectrum
07/15/2004
(410) 301-
Baltimore
Sprint Spectrum
10/06/2011
(410) 302-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 303-
Baltimore
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 304-
Queenstown
Idt America Corp
03/29/2006
(410) 305-
Odenton
Verizon Maryland
02/04/1994
(410) 306-
Aberdeen
Verizon Maryland
07/01/1996
(410) 307-
Towson
Verizon Maryland
02/04/1994
(410) 308-
Towson
Verizon Maryland
07/01/1996
(410) 309-
Columbia
Verizon Maryland
04/15/1996
(410) 310-
Easton
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 312-
Columbia
Verizon Maryland
02/04/1994
(410) 313-
Ellicott City
Verizon Maryland
02/04/1994
(410) 314-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 315-
Severna Park
Verizon Maryland
02/04/1994
(410) 316-
Cockeysville
Verizon Maryland
02/04/1994
(410) 317-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 318-
Baltimore
Verizon Maryland
04/15/1996
(410) 319-
Baltimore
Verizon Maryland
02/04/1994
(410) 320-
Annapolis
Sprint Spectrum
04/01/1997
(410) 321-
Towson
Verizon Maryland
02/04/1994
(410) 322-
Bel Air
New Cingular Wireless PCS - DC
07/06/1997
(410) 323-
Baltimore
Verizon Maryland
02/04/1994
(410) 324-
Towson
Verizon Maryland
02/04/1994
(410) 325-
Baltimore
Verizon Maryland
02/04/1994
(410) 326-
Solomons
Verizon Maryland
02/04/1994
(410) 327-
Baltimore
Verizon Maryland
02/04/1994
(410) 328-
Baltimore
Verizon Maryland
02/04/1994
(410) 329-
Cockeysville
Verizon Maryland
02/04/1994
(410) 330-
Cambridge
New Cingular Wireless PCS - DC
01/10/1996
(410) 331-
Elkridge
Usa Mobility Wireless
01/10/1996
(410) 332-
Baltimore
Verizon Maryland
02/04/1994
(410) 333-
Baltimore
Verizon Maryland
02/04/1994
(410) 334-
Salisbury
Verizon Maryland
02/04/1994
(410) 335-
White Marsh
Verizon Maryland
02/04/1994
(410) 336-
Baltimore
New Cingular Wireless PCS - DC
10/15/1996
(410) 337-
Towson
Verizon Maryland
02/04/1994
(410) 338-
Baltimore
Verizon Maryland
02/04/1994
(410) 339-
Towson
Verizon Maryland
02/04/1994
(410) 340-
Baltimore
New Cingular Wireless PCS - DC
10/11/1997
(410) 341-
Salisbury
Verizon Maryland
07/04/1995
(410) 342-
Baltimore
Verizon Maryland
02/04/1994
(410) 343-
Parkton
Verizon Maryland
02/04/1994
(410) 344-
White Marsh
Verizon Maryland
04/15/1996
(410) 345-
Pikesville
Verizon Maryland
04/15/1996
(410) 346-
Westminster
Verizon Maryland
02/04/1994
(410) 347-
Baltimore
Verizon Maryland
02/04/1994
(410) 348-
Still Pond
Verizon Maryland
02/04/1994
(410) 349-
Annapolis
Verizon Maryland
09/11/1994
(410) 350-
Baltimore
Verizon Maryland
10/11/1997
(410) 351-
Baltimore
Usa Mobility Wireless
02/04/1994
(410) 352-
Bishopville
Verizon Maryland
02/04/1994
(410) 353-
Annapolis
Cellco Partnership DBA Verizon Wireless
02/11/1995
(410) 354-
Baltimore
Verizon Maryland
02/04/1994
(410) 355-
Baltimore
Verizon Maryland
02/04/1994
(410) 356-
Pikesville
Verizon Maryland
02/04/1994
(410) 357-
Parkton
Verizon Maryland
02/04/1994
(410) 358-
Baltimore
Verizon Maryland
02/04/1994
(410) 359-
Baltimore
Verizon Maryland
09/11/1994
(410) 360-
Pasadena
Verizon Maryland
02/04/1994
(410) 361-
Baltimore
Verizon Maryland
02/04/1994
(410) 362-
Baltimore
Verizon Maryland
02/04/1994
(410) 363-
Pikesville
Verizon Maryland
02/04/1994
(410) 364-
Queen Anne
Verizon Maryland
02/04/1994
(410) 365-
Baltimore
Sprint Spectrum
02/11/1995
(410) 366-
Baltimore
Verizon Maryland
02/04/1994
(410) 367-
Baltimore
Verizon Maryland
02/04/1994
(410) 368-
Baltimore
Verizon Maryland
02/04/1994
(410) 369-
Baltimore
Tw Telecom Of Maryland LLC
07/06/1997
(410) 370-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 371-
Baltimore
Cellco Partnership DBA Verizon Wireless
09/11/1994
(410) 372-
Towson
Verizon Maryland
07/04/1995
(410) 373-
Towson
Usa Mobility Wireless
02/11/1995
(410) 374-
Hampstead
Verizon Maryland
02/04/1994
(410) 375-
Baltimore
Cellco Partnership DBA Verizon Wireless
01/10/1996
(410) 376-
Mardela Springs
Verizon Maryland
02/04/1994
(410) 377-
Towson
Verizon Maryland
02/04/1994
(410) 378-
Port Deposit
Verizon Maryland
02/04/1994
(410) 379-
Elkridge
Verizon Maryland
02/04/1994
(410) 380-
Salisbury
Redi-call Communications Co
02/04/1994
(410) 381-
Columbia
Verizon Maryland
02/04/1994
(410) 382-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 383-
Baltimore
Verizon Maryland
02/04/1994
(410) 384-
Severna Park
Verizon Maryland
10/15/1996
(410) 385-
Baltimore
Verizon Maryland
02/04/1994
(410) 386-
Westminster
Verizon Maryland
02/11/1995
(410) 387-
Arbutus
Broadview Networks
08/12/2011
(410) 388-
Sparrows Point
Verizon Maryland
02/04/1994
(410) 389-
Baltimore
Usa Mobility Wireless
02/04/1994
(410) 390-
Ocean City
Teleport Communications America
06/10/2009
(410) 391-
Essex
Verizon Maryland
02/04/1994
(410) 392-
Elkton
Verizon Maryland
02/04/1994
(410) 393-
Cockeysville
Verizon Maryland
02/04/1994
(410) 394-
Solomons
Verizon Maryland
10/15/1996
(410) 395-
Arbutus
Verizon Maryland
09/11/1994
(410) 396-
Baltimore
Verizon Maryland
02/04/1994
(410) 397-
Crapo
Verizon Maryland
02/04/1994
(410) 398-
Elkton
Verizon Maryland
02/04/1994
(410) 399-
Bel Air
Verizon Maryland
02/04/1994
(410) 400-
Baltimore
Cavalier Telephone Mid-atlantic
06/15/2006
(410) 401-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 402-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 403-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 404-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 405-
Fork
Verizon Maryland
07/01/1996
(410) 406-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 407-
Elkridge
Verizon Maryland
02/04/1994
(410) 408-
Towson
Usa Mobility Wireless
02/04/1994
(410) 409-
Baltimore
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 412-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 413-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 414-
Prince Frederick
Verizon Maryland
01/10/1996
(410) 415-
Pikesville
Verizon Maryland
07/01/1996
(410) 416-
Laurel
Verizon Maryland
01/10/1996
(410) 417-
Edgewood
Verizon Maryland
08/16/2007
(410) 418-
Ellicott City
Verizon Maryland
02/04/1994
(410) 419-
Baltimore
Sprint Spectrum
07/06/1997
(410) 420-
Bel Air
Verizon Maryland
01/25/1998
(410) 421-
Severna Park
Verizon Maryland
10/15/1996
(410) 422-
Salisbury
New Cingular Wireless PCS - DC
07/06/1997
(410) 423-
Baltimore
Teleport Communications America
04/01/1997
(410) 424-
Glen Burnie
Verizon Maryland
10/15/1996
(410) 425-
Ewell
Verizon Maryland
02/04/1994
(410) 426-
Baltimore
Verizon Maryland
02/04/1994
(410) 427-
Baltimore
Teleport Communications America
01/10/1996
(410) 428-
Catonsville
New Cingular Wireless PCS - DC
01/10/1996
(410) 429-
Reisterstown
Verizon Maryland
02/04/1994
(410) 430-
Salisbury
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 431-
Severna Park
Verizon Maryland
02/11/1995
(410) 432-
Severna Park
Verizon Maryland
05/18/1998
(410) 433-
Baltimore
Verizon Maryland
02/04/1994
(410) 434-
Towson
Usa Mobility Wireless
04/01/1997
(410) 435-
Baltimore
Verizon Maryland
02/04/1994
(410) 436-
Edgewood
Verizon Maryland
04/01/1997
(410) 437-
Pasadena
Verizon Maryland
02/04/1994
(410) 438-
Barclay
Verizon Maryland
02/04/1994
(410) 439-
Pasadena
Verizon Maryland
01/10/1996
(410) 440-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 441-
Elkton
New Cingular Wireless PCS - DC
04/01/1997
(410) 442-
Glenwood
Verizon Maryland
02/04/1994
(410) 443-
Easton
Level 3 Communications
07/23/2002
(410) 444-
Baltimore
Verizon Maryland
02/04/1994
(410) 445-
Baltimore
Usa Mobility Wireless
04/01/1997
(410) 446-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 447-
Columbia
Usa Mobility Wireless
02/04/1994
(410) 448-
Baltimore
Verizon Maryland
02/04/1994
(410) 449-
Solomons
Bandwidth.com Clec
02/12/2010
(410) 450-
Baltimore
Verizon Maryland
02/04/1994
(410) 451-
Crofton
Verizon Maryland
02/04/1994
(410) 452-
Cardiff
Verizon Maryland
02/04/1994
(410) 453-
Towson
Verizon Maryland
09/11/1994
(410) 454-
Baltimore
Mci Worldcom Communications
10/11/1997
(410) 455-
Catonsville
Verizon Maryland
02/04/1994
(410) 456-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 457-
Darlington
Verizon Maryland
02/04/1994
(410) 458-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 459-
Fallston
Cellco Partnership DBA Verizon Wireless
09/11/1994
(410) 460-
Elkridge
Usa Mobility Wireless
07/06/1997
(410) 461-
Ellicott City
Verizon Maryland
02/04/1994
(410) 462-
Baltimore
Verizon Maryland
02/04/1994
(410) 463-
Trappe
Cellco Partnership DBA Verizon Wireless
02/11/1995
(410) 464-
Baltimore
Verizon Maryland
07/06/1997
(410) 465-
Ellicott City
Verizon Maryland
02/04/1994
(410) 466-
Baltimore
Verizon Maryland
02/04/1994
(410) 467-
Baltimore
Verizon Maryland
02/04/1994
(410) 468-
Baltimore
Verizon Maryland
04/01/1997
(410) 469-
Baltimore
Verizon Maryland
10/15/1996
(410) 470-
Baltimore
Verizon Maryland
06/28/2005
(410) 471-
Elkridge
Verizon Maryland
02/04/1994
(410) 472-
Sparks Glencoe
Verizon Maryland
02/04/1994
(410) 473-
Towson
Usa Mobility Wireless
01/10/1996
(410) 474-
Prince Frederick
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 475-
Towson
Usa Mobility Wireless
02/11/1995
(410) 476-
Trappe
Verizon Maryland
02/04/1994
(410) 477-
Sparrows Point
Verizon Maryland
02/04/1994
(410) 478-
Elkridge
Usa Mobility Wireless
02/11/1995
(410) 479-
Denton
Verizon Maryland
02/04/1994
(410) 480-
Ellicott City
Verizon Maryland
01/11/1997
(410) 482-
Greensboro
Verizon Maryland
02/04/1994
(410) 483-
Baltimore
Verizon Maryland
02/04/1994
(410) 484-
Pikesville
Verizon Maryland
02/04/1994
(410) 485-
Baltimore
Verizon Maryland
02/04/1994
(410) 486-
Pikesville
Verizon Maryland
02/04/1994
(410) 487-
Baltimore
Mci Worldcom Communications
01/10/1996
(410) 488-
Baltimore
Verizon Maryland
02/04/1994
(410) 489-
Glenwood
Verizon Maryland
02/04/1994
(410) 490-
Centreville
Cellco Partnership DBA Verizon Wireless
04/01/1997
(410) 491-
Catonsville
New Cingular Wireless PCS - DC
09/11/1994
(410) 492-
Towson
Usa Mobility Wireless
10/15/1996
(410) 493-
Baltimore
Sprint Spectrum
01/10/1996
(410) 494-
Towson
Verizon Maryland
02/04/1994
(410) 495-
Port Republic
Verizon Maryland
04/15/1996
(410) 496-
Randallstown
Verizon Maryland
10/15/1996
(410) 497-
Baltimore
Comcast Phone Of Northern Maryland
07/06/1997
(410) 498-
Baltimore
Cavalier Telephone Mid-atlantic
07/06/1997
(410) 499-
Baltimore
Sprint Spectrum
10/15/1996
(410) 500-
Baltimore
Verizon Maryland
06/25/2005
(410) 501-
Arbutus
Lightwave Communications
06/28/2005
(410) 502-
Baltimore
Verizon Maryland
10/15/1996
(410) 503-
Elkridge
Verizon Maryland
10/15/1996
(410) 504-
Baltimore
Verizon Maryland
07/06/1997
(410) 505-
Ellicott City
Verizon Maryland
07/01/1996
(410) 506-
Elkton
Verizon Maryland
07/06/1997
(410) 507-
Annapolis
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 508-
Glen Burnie
Verizon Maryland
02/04/1994
(410) 509-
Baltimore
Baltimore-washington Telephone (bwt)
10/11/1997
(410) 510-
Fork
Teleport Communications America
07/01/1996
(410) 512-
Towson
Verizon Maryland
02/04/1994
(410) 513-
Baltimore
Teleport Communications America
01/25/1998
(410) 514-
Severn
Verizon Maryland
02/04/1994
(410) 515-
Abingdon
Verizon Maryland
02/04/1994
(410) 516-
Baltimore
Verizon Maryland
02/04/1994
(410) 517-
Reisterstown
Verizon Maryland
10/15/1996
(410) 518-
Severna Park
Verizon Maryland
07/01/1996
(410) 519-
Severn
Verizon Maryland
02/04/1994
(410) 520-
Ocean City
Verizon Maryland
01/25/1998
(410) 521-
Randallstown
Verizon Maryland
02/04/1994
(410) 522-
Baltimore
Verizon Maryland
02/04/1994
(410) 523-
Baltimore
Verizon Maryland
02/04/1994
(410) 524-
Ocean City
Verizon Maryland
02/04/1994
(410) 525-
Baltimore
Verizon Maryland
02/04/1994
(410) 526-
Reisterstown
Verizon Maryland
02/04/1994
(410) 527-
Cockeysville
Verizon Maryland
02/04/1994
(410) 528-
Baltimore
Verizon Maryland
02/04/1994
(410) 529-
Parkville
Verizon Maryland
02/04/1994
(410) 530-
Catonsville
New Cingular Wireless PCS - DC
04/01/1997
(410) 531-
Columbia
Verizon Maryland
02/04/1994
(410) 532-
Baltimore
Verizon Maryland
02/04/1994
(410) 533-
Annapolis
New Cingular Wireless PCS - DC
02/04/1994
(410) 534-
Baltimore
Verizon Maryland
02/04/1994
(410) 535-
Port Republic
Verizon Maryland
02/04/1994
(410) 536-
Arbutus
Verizon Maryland
02/04/1994
(410) 537-
Baltimore
Verizon Maryland
02/04/1994
(410) 538-
Edgewood
Verizon Maryland
02/04/1994
(410) 539-
Baltimore
Verizon Maryland
02/04/1994
(410) 540-
Elkridge
Verizon Maryland
10/15/1996
(410) 541-
Severna Park
Verizon Maryland
02/04/1994
(410) 542-
Baltimore
Verizon Maryland
02/04/1994
(410) 543-
Salisbury
Verizon Maryland
02/04/1994
(410) 544-
Severna Park
Verizon Maryland
02/04/1994
(410) 545-
Baltimore
Verizon Maryland
02/04/1994
(410) 546-
Salisbury
Verizon Maryland
02/04/1994
(410) 547-
Baltimore
Verizon Maryland
02/04/1994
(410) 548-
Salisbury
Verizon Maryland
02/04/1994
(410) 549-
Sykesville
Verizon Maryland
02/04/1994
(410) 550-
Baltimore
Verizon Maryland
02/04/1994
(410) 551-
Severn
Verizon Maryland
02/04/1994
(410) 552-
Sykesville
Verizon Maryland
04/15/1996
(410) 553-
Glen Burnie
Verizon Maryland
02/04/1994
(410) 554-
Baltimore
Verizon Maryland
02/04/1994
(410) 556-
Church Hill
Verizon Maryland
02/04/1994
(410) 557-
Jarrettsville
Verizon Maryland
02/04/1994
(410) 558-
Baltimore
Verizon Maryland
02/04/1994
(410) 559-
Baltimore
Teleport Communications America
01/10/1996
(410) 560-
Towson
Verizon Maryland
02/04/1994
(410) 561-
Cockeysville
Verizon Maryland
02/04/1994
(410) 562-
Annapolis
New Cingular Wireless PCS - DC
02/04/1994
(410) 563-
Baltimore
Verizon Maryland
02/04/1994
(410) 564-
Baltimore
Teleport Communications America
01/10/1996
(410) 565-
Arbutus
Tw Telecom Of Maryland LLC
01/25/1998
(410) 566-
Baltimore
Verizon Maryland
02/04/1994
(410) 567-
Baltimore
Mci Worldcom Communications
04/01/1997
(410) 568-
Baltimore
Teleport Communications America
01/10/1996
(410) 569-
Edgewood
Verizon Maryland
02/04/1994
(410) 570-
Annapolis
New Cingular Wireless PCS - DC
07/04/1995
(410) 571-
Annapolis
Verizon Maryland
01/10/1996
(410) 572-
Salisbury
Verizon Maryland
01/11/1997
(410) 573-
Annapolis
Verizon Maryland
02/04/1994
(410) 574-
Essex
Verizon Maryland
02/04/1994
(410) 575-
Aberdeen
Verizon Maryland
02/04/1994
(410) 576-
Baltimore
Verizon Maryland
02/04/1994
(410) 577-
Baltimore
Verizon Maryland
05/10/2005
(410) 578-
Baltimore
Verizon Maryland
02/04/1994
(410) 579-
Elkridge
Verizon Maryland
02/11/1995
(410) 580-
Pikesville
Verizon Maryland
01/25/1998
(410) 581-
Pikesville
Verizon Maryland
02/04/1994
(410) 582-
Glen Burnie
Verizon Maryland
02/04/1994
(410) 583-
Towson
Verizon Maryland
02/04/1994
(410) 584-
Cockeysville
Verizon Maryland
02/04/1994
(410) 585-
Baltimore
Verizon Maryland
01/25/1998
(410) 586-
Port Republic
Verizon Maryland
02/04/1994
(410) 587-
Arbutus
Verizon Maryland
02/11/1995
(410) 588-
Bel Air
Verizon Maryland
02/11/1995
(410) 589-
Brooklyn
Tw Telecom Of Maryland LLC
01/25/1998
(410) 590-
Glen Burnie
Verizon Maryland
02/11/1995
(410) 591-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 592-
Fork
Verizon Maryland
02/04/1994
(410) 593-
Fork
Verizon Maryland
10/11/1997
(410) 594-
Woodlawn
Verizon Maryland
02/04/1994
(410) 595-
Laurel
Tw Telecom Of Maryland LLC
01/25/1998
(410) 596-
Westminster
Cellco Partnership DBA Verizon Wireless
04/01/1997
(410) 597-
Woodlawn
Verizon Maryland
02/04/1994
(410) 598-
Baltimore
Cellco Partnership DBA Verizon Wireless
01/10/1996
(410) 599-
Catonsville
New Cingular Wireless PCS - DC
02/11/1995
(410) 600-
Berlin
Sprint Communications Company,
04/25/2006
(410) 601-
Baltimore
Verizon Maryland
07/01/1996
(410) 602-
Pikesville
Verizon Maryland
02/04/1994
(410) 603-
Salisbury
New Cingular Wireless PCS - DC
02/04/1994
(410) 604-
Stevensville
Verizon Maryland
07/01/1996
(410) 605-
Baltimore
Verizon Maryland
02/04/1994
(410) 606-
Beltsville
Verizon Maryland
10/15/1996
(410) 607-
Towson
Usa Mobility Wireless
02/04/1994
(410) 608-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 609-
Brooklyn
Verizon Maryland
10/15/1996
(410) 610-
Prince Frederick
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 612-
Edgewood
Verizon Maryland
02/04/1994
(410) 613-
Baltimore
Verizon Maryland
02/04/1994
(410) 614-
Baltimore
Verizon Maryland
02/04/1994
(410) 615-
Catonsville
New Cingular Wireless PCS - DC
09/11/1994
(410) 616-
Baltimore
Mci Worldcom Communications
01/10/1996
(410) 617-
Baltimore
Verizon Maryland
02/04/1994
(410) 618-
Salisbury
Idt America Corp
11/07/2011
(410) 619-
Laurel
Verizon Maryland
01/10/1996
(410) 620-
Elkton
Verizon Maryland
02/11/1995
(410) 621-
Princess Anne
Verizon Maryland
10/15/1996
(410) 622-
Salisbury
Mci Worldcom Communications
08/12/2011
(410) 623-
Marion
Verizon Maryland
02/04/1994
(410) 624-
Baltimore
Verizon Maryland
02/04/1994
(410) 625-
Baltimore
Verizon Maryland
02/04/1994
(410) 626-
Annapolis
Verizon Maryland
02/04/1994
(410) 627-
Baltimore
Cellco Partnership DBA Verizon Wireless
07/04/1995
(410) 628-
Cockeysville
Verizon Maryland
02/04/1994
(410) 629-
Berlin
Verizon Maryland
01/10/1996
(410) 630-
Baltimore
Mci Worldcom Communications
04/01/1997
(410) 631-
Baltimore
Verizon Maryland
02/04/1994
(410) 632-
Snow Hill
Verizon Maryland
02/04/1994
(410) 633-
Baltimore
Verizon Maryland
02/04/1994
(410) 634-
Ridgely
Verizon Maryland
02/04/1994
(410) 635-
New Windsor
Verizon Maryland
02/04/1994
(410) 636-
Brooklyn
Verizon Maryland
02/04/1994
(410) 637-
Baltimore
Verizon Maryland
02/04/1994
(410) 638-
Bel Air
Verizon Maryland
02/04/1994
(410) 639-
Rock Hall
Verizon Maryland
02/04/1994
(410) 640-
Baltimore
Usa Mobility Wireless
10/15/1996
(410) 641-
Berlin
Verizon Maryland
02/04/1994
(410) 642-
Perryville
Verizon Maryland
02/04/1994
(410) 643-
Stevensville
Verizon Maryland
02/04/1994
(410) 644-
Baltimore
Verizon Maryland
02/04/1994
(410) 645-
Baltimore
Mci Worldcom Communications
01/10/1996
(410) 646-
Baltimore
Verizon Maryland
02/04/1994
(410) 647-
Severna Park
Verizon Maryland
02/04/1994
(410) 648-
Galena
Verizon Maryland
02/04/1994
(410) 649-
Baltimore
Teleport Communications America
01/10/1996
(410) 650-
Baltimore
Mci Worldcom Communications
04/01/1997
(410) 651-
Princess Anne
Verizon Maryland
02/04/1994
(410) 652-
Bel Air
New Cingular Wireless PCS - DC
02/11/1995
(410) 653-
Pikesville
Verizon Maryland
02/04/1994
(410) 654-
Pikesville
Verizon Maryland
09/11/1994
(410) 655-
Randallstown
Verizon Maryland
02/04/1994
(410) 656-
North East
Armstrong Telecommunications
05/30/2008
(410) 657-
Baltimore
Mci Worldcom Communications
01/10/1996
(410) 658-
Rising Sun
Armstrong Telephone Co. Of Maryland
02/04/1994
(410) 659-
Baltimore
Verizon Maryland
02/04/1994
(410) 660-
Elkridge
Sprint Spectrum
07/31/2006
(410) 661-
Parkville
Verizon Maryland
02/04/1994
(410) 662-
Baltimore
Verizon Maryland
02/11/1995
(410) 663-
Parkville
Verizon Maryland
07/04/1995
(410) 664-
Baltimore
Verizon Maryland
02/04/1994
(410) 665-
Parkville
Verizon Maryland
02/04/1994
(410) 666-
Cockeysville
Verizon Maryland
02/04/1994
(410) 667-
Cockeysville
Verizon Maryland
02/04/1994
(410) 668-
Parkville
Verizon Maryland
02/04/1994
(410) 669-
Baltimore
Verizon Maryland
02/04/1994
(410) 670-
Edgewood
Mci Worldcom Communications
04/01/1997
(410) 671-
Edgewood
Verizon Maryland
02/04/1994
(410) 672-
Odenton
Verizon Maryland
02/04/1994
(410) 673-
Preston
Verizon Maryland
02/04/1994
(410) 674-
Odenton
Verizon Maryland
02/04/1994
(410) 675-
Baltimore
Verizon Maryland
02/04/1994
(410) 676-
Edgewood
Verizon Maryland
02/04/1994
(410) 677-
Salisbury
Verizon Maryland
02/04/1994
(410) 678-
Elkridge
Usa Mobility Wireless
02/04/1994
(410) 679-
Edgewood
Verizon Maryland
02/04/1994
(410) 680-
Laurel
Tw Telecom Of Maryland LLC
01/25/1998
(410) 681-
Towson
Usa Mobility Wireless
10/11/1997
(410) 682-
Essex
Verizon Maryland
02/04/1994
(410) 683-
Cockeysville
Verizon Maryland
02/04/1994
(410) 684-
Linthicum Heights
Verizon Maryland
02/04/1994
(410) 685-
Baltimore
Verizon Maryland
02/04/1994
(410) 686-
Essex
Verizon Maryland
02/04/1994
(410) 687-
Essex
Verizon Maryland
02/04/1994
(410) 688-
Fallston
Cellco Partnership DBA Verizon Wireless
05/18/1998
(410) 689-
Baltimore
Teleport Communications America
01/10/1996
(410) 690-
Wye Mills
AT&T Local
05/20/2002
(410) 691-
Linthicum Heights
Verizon Maryland
02/04/1994
(410) 692-
Jarrettsville
Verizon Maryland
02/04/1994
(410) 693-
Annapolis
New Cingular Wireless PCS - DC
02/04/1994
(410) 694-
Linthicum Heights
Verizon Maryland
10/11/1997
(410) 695-
Odenton
Verizon Maryland
04/15/1996
(410) 696-
Baltimore
Mci Worldcom Communications
04/01/1997
(410) 697-
Millersville
Mci Worldcom Communications
04/01/1997
(410) 698-
Fork
Mci Worldcom Communications
04/01/1997
(410) 699-
Chestertown
Sprint Spectrum
07/23/2002
(410) 701-
Baltimore
Mci Worldcom Communications
04/01/1997
(410) 702-
Reisterstown
Mci Worldcom Communications
04/01/1997
(410) 703-
Annapolis
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 704-
Baltimore
Mci Worldcom Communications
04/01/1997
(410) 705-
Beltsville
Verizon Maryland
07/01/1996
(410) 706-
Baltimore
Verizon Maryland
02/04/1994
(410) 707-
Columbia
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 708-
Chestertown
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 709-
Baltimore
Mci Worldcom Communications
04/01/1997
(410) 710-
Baltimore
Omnipoint Communications Cap Operations
10/03/2005
(410) 712-
Elkridge
Verizon Maryland
02/04/1994
(410) 713-
Salisbury
Level 3 Communications
02/09/2003
(410) 714-
Easton
New Cingular Wireless PCS - DC
07/04/1995
(410) 715-
Columbia
Verizon Maryland
02/04/1994
(410) 716-
Towson
Verizon Maryland
02/04/1994
(410) 717-
Laurel
Tw Telecom Of Maryland LLC
01/25/1998
(410) 718-
Catonsville
New Cingular Wireless PCS - DC
10/15/1996
(410) 719-
Catonsville
Verizon Maryland
02/04/1994
(410) 720-
Ellicott City
Verizon Maryland
02/04/1994
(410) 721-
Crofton
Verizon Maryland
02/04/1994
(410) 722-
Beltsville
Verizon Maryland
01/10/1996
(410) 723-
Ocean City
Verizon Maryland
02/04/1994
(410) 724-
Laurel
Verizon Maryland
07/04/1995
(410) 725-
Easton
Sprint Spectrum
04/01/1997
(410) 726-
Salisbury
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 727-
Baltimore
Verizon Maryland
02/04/1994
(410) 728-
Baltimore
Verizon Maryland
02/04/1994
(410) 729-
Severn
Verizon Maryland
01/10/1996
(410) 730-
Columbia
Verizon Maryland
02/04/1994
(410) 731-
Annapolis
Usa Mobility Wireless
05/18/1998
(410) 732-
Baltimore
Verizon Maryland
02/04/1994
(410) 733-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 734-
Churchville
Verizon Maryland
02/04/1994
(410) 735-
Baltimore
Cavalier Telephone Mid-atlantic
07/06/1997
(410) 736-
Baltimore
Verizon Maryland
01/10/1996
(410) 737-
Arbutus
Verizon Maryland
09/11/1994
(410) 738-
Beltsville
Verizon Maryland
01/10/1996
(410) 739-
Centreville
New Cingular Wireless PCS - DC
07/04/1995
(410) 740-
Columbia
Verizon Maryland
02/04/1994
(410) 741-
North Beach
Verizon Maryland
02/04/1994
(410) 742-
Salisbury
Verizon Maryland
02/04/1994
(410) 743-
Baltimore
Usa Mobility Wireless
07/04/1995
(410) 744-
Catonsville
Verizon Maryland
02/04/1994
(410) 745-
Saint Michaels
Verizon Maryland
02/04/1994
(410) 746-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/11/1995
(410) 747-
Catonsville
Verizon Maryland
02/04/1994
(410) 748-
Ellicott City
Usa Mobility Wireless
02/04/1994
(410) 749-
Salisbury
Verizon Maryland
02/04/1994
(410) 750-
Ellicott City
Verizon Maryland
02/04/1994
(410) 751-
Westminster
Verizon Maryland
02/04/1994
(410) 752-
Baltimore
Verizon Maryland
02/04/1994
(410) 753-
Baltimore
Mci Worldcom Communications
01/10/1996
(410) 754-
Federalsburg
Verizon Maryland
02/04/1994
(410) 755-
Warwick
Verizon Maryland
02/04/1994
(410) 756-
Taneytown
Verizon Maryland
02/04/1994
(410) 757-
Annapolis
Verizon Maryland
02/04/1994
(410) 758-
Centreville
Verizon Maryland
02/04/1994
(410) 759-
Baltimore
Verizon Maryland
02/04/1994
(410) 760-
Glen Burnie
Verizon Maryland
02/04/1994
(410) 761-
Glen Burnie
Verizon Maryland
02/04/1994
(410) 762-
Glen Burnie
Verizon Maryland
01/10/1996
(410) 763-
Easton
Verizon Maryland
02/11/1995
(410) 764-
Baltimore
Verizon Maryland
02/04/1994
(410) 765-
Linthicum Heights
Verizon Maryland
02/04/1994
(410) 766-
Glen Burnie
Verizon Maryland
02/04/1994
(410) 767-
Baltimore
Verizon Maryland
02/04/1994
(410) 768-
Glen Burnie
Verizon Maryland
02/04/1994
(410) 769-
Towson
Verizon Maryland
02/11/1995
(410) 770-
Easton
Verizon Maryland
10/11/1997
(410) 771-
Cockeysville
Verizon Maryland
02/04/1994
(410) 772-
Columbia
Verizon Maryland
01/11/1997
(410) 773-
Cockeysville
Verizon Maryland
04/01/1997
(410) 774-
Crofton
Mci Worldcom Communications
05/18/1998
(410) 775-
Union Bridge
Verizon Maryland
02/04/1994
(410) 776-
Bel Air
Teleport Communications America
04/01/1997
(410) 777-
Severna Park
Mci Worldcom Communications
04/01/1997
(410) 778-
Chestertown
Verizon Maryland
02/04/1994
(410) 779-
Baltimore
Level 3 Communications
05/18/1998
(410) 780-
Essex
Verizon Maryland
02/04/1994
(410) 781-
Sykesville
Verizon Maryland
02/04/1994
(410) 782-
Elkridge
Verizon Maryland
04/15/1996
(410) 783-
Baltimore
Verizon Maryland
02/04/1994
(410) 784-
Deal Island
Verizon Maryland
02/04/1994
(410) 785-
Cockeysville
Verizon Maryland
02/04/1994
(410) 786-
Woodlawn
Verizon Maryland
02/11/1995
(410) 787-
Glen Burnie
Verizon Maryland
02/04/1994
(410) 788-
Catonsville
Verizon Maryland
02/04/1994
(410) 789-
Brooklyn
Verizon Maryland
02/04/1994
(410) 790-
Towson
New Cingular Wireless PCS - DC
02/04/1994
(410) 791-
Beltsville
Verizon Maryland
01/10/1996
(410) 792-
Laurel
Verizon Maryland
02/04/1994
(410) 793-
Crofton
Verizon Maryland
02/04/1994
(410) 794-
Laurel
Tw Telecom Of Maryland LLC
07/06/1997
(410) 795-
Sykesville
Verizon Maryland
02/04/1994
(410) 796-
Elkridge
Verizon Maryland
02/04/1994
(410) 797-
Laurel
Verizon Maryland
02/04/1994
(410) 798-
Edgewater
Verizon Maryland
02/04/1994
(410) 799-
Elkridge
Verizon Maryland
02/04/1994
(410) 800-
Baltimore
Cellco Partnership DBA Verizon Wireless
10/05/2004
(410) 801-
Baltimore
Verizon Maryland
02/04/1994
(410) 802-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 803-
Bel Air
Verizon Maryland
07/01/1996
(410) 804-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 805-
Towson
Sprint Spectrum
08/25/2011
(410) 806-
Towson
Usa Mobility Wireless
02/04/1994
(410) 807-
Laurel
Tw Telecom Of Maryland LLC
01/25/1998
(410) 808-
Fallston
Sprint Spectrum
01/25/1998
(410) 809-
Bel Air
Cavalier Telephone (mid-atlantic)
08/14/1998
(410) 810-
Chestertown
Verizon Maryland
02/04/1994
(410) 812-
Towson
New Cingular Wireless PCS - DC
02/04/1994
(410) 813-
Beltsville
Verizon Maryland
02/04/1994
(410) 814-
Baltimore
Cavalier Telephone Mid-atlantic
09/30/2005
(410) 815-
Beltsville
Verizon Maryland
07/01/1996
(410) 816-
Towson
Verizon Maryland
04/15/1996
(410) 817-
Fork
Verizon Maryland
02/11/1995
(410) 818-
Baltimore
Teleport Communications America
01/10/1996
(410) 819-
Easton
Verizon Maryland
02/04/1994
(410) 820-
Easton
Verizon Maryland
02/04/1994
(410) 821-
Towson
Verizon Maryland
02/04/1994
(410) 822-
Easton
Verizon Maryland
02/04/1994
(410) 823-
Towson
Verizon Maryland
02/04/1994
(410) 824-
Laurel
Tw Telecom Of Maryland LLC
07/04/1995
(410) 825-
Towson
Verizon Maryland
02/04/1994
(410) 826-
Glen Burnie
Verizon Maryland
02/11/1995
(410) 827-
Queenstown
Verizon Maryland
02/04/1994
(410) 828-
Towson
Verizon Maryland
02/04/1994
(410) 829-
Easton
Cellco Partnership DBA Verizon Wireless
07/04/1995
(410) 830-
Towson
Verizon Maryland
02/04/1994
(410) 831-
Salisbury
Halo Wireless Services
12/02/2011
(410) 832-
Towson
Verizon Maryland
02/04/1994
(410) 833-
Reisterstown
Verizon Maryland
02/04/1994
(410) 834-
Laurel
Verizon Maryland
01/10/1996
(410) 835-
Willards
Verizon Maryland
02/04/1994
(410) 836-
Bel Air
Verizon Maryland
02/04/1994
(410) 837-
Baltimore
Verizon Maryland
02/04/1994
(410) 838-
Bel Air
Verizon Maryland
02/04/1994
(410) 839-
Towson
Usa Mobility Wireless
01/10/1996
(410) 840-
Westminster
Verizon Maryland
02/04/1994
(410) 841-
Annapolis
Verizon Maryland
02/04/1994
(410) 842-
Baltimore
Mci Worldcom Communications
01/10/1996
(410) 843-
Baltimore
Teleport Communications America
04/15/1996
(410) 844-
Baltimore
Peerless Network Of Maryland
09/30/2011
(410) 845-
Salisbury
Sprint Spectrum
04/18/2001
(410) 846-
Baltimore
Mci Worldcom Communications
04/01/1997
(410) 847-
Towson
Verizon Maryland
10/15/1996
(410) 848-
Westminster
Verizon Maryland
02/04/1994
(410) 849-
Sherwood Forest
Verizon Maryland
02/04/1994
(410) 850-
Linthicum Heights
Verizon Maryland
02/04/1994
(410) 851-
Towson
Verizon Maryland
10/11/1997
(410) 852-
Catonsville
New Cingular Wireless PCS - DC
01/25/1998
(410) 853-
Towson
Verizon Maryland
04/01/1997
(410) 854-
Odenton
Verizon Maryland
11/20/1998
(410) 855-
Linthicum Heights
Verizon Maryland
07/04/1995
(410) 856-
Cockeysville
Verizon Maryland
02/11/1995
(410) 857-
Westminster
Verizon Maryland
02/04/1994
(410) 858-
Annapolis
Verizon Maryland
03/11/2005
(410) 859-
Linthicum Heights
Verizon Maryland
02/04/1994
(410) 860-
Salisbury
Verizon Maryland
02/04/1994
(410) 861-
Reisterstown
Verizon Maryland
02/04/1994
(410) 862-
Laurel
Verizon Maryland
02/11/1995
(410) 863-
Glen Burnie
Verizon Maryland
02/11/1995
(410) 864-
Baltimore
Mci Worldcom Communications
07/04/1995
(410) 865-
Linthicum Heights
Verizon Maryland
07/01/1996
(410) 866-
Baltimore
Verizon Maryland
02/04/1994
(410) 867-
West River
Verizon Maryland
02/04/1994
(410) 868-
Catonsville
New Cingular Wireless PCS - DC
02/11/1995
(410) 869-
Catonsville
Verizon Maryland
10/15/1996
(410) 870-
Parkville
Comcast Phone Of Northern Maryland
02/10/2005
(410) 871-
Westminster
Verizon Maryland
01/11/1997
(410) 872-
Columbia
Verizon Maryland
02/11/1995
(410) 873-
Nanticoke
Verizon Maryland
02/04/1994
(410) 874-
Odenton
Mci Worldcom Communications
04/01/1997
(410) 875-
Westminster
Verizon Maryland
02/04/1994
(410) 876-
Westminster
Verizon Maryland
02/04/1994
(410) 877-
Fallston
Verizon Maryland
02/04/1994
(410) 878-
Baltimore
Mci Worldcom Communications
05/18/1998
(410) 879-
Bel Air
Verizon Maryland
02/04/1994
(410) 880-
Laurel
Verizon Maryland
02/04/1994
(410) 881-
Sherwood Forest
Mci Worldcom Communications
04/01/1997
(410) 882-
Parkville
Verizon Maryland
02/04/1994
(410) 883-
Rhodesdale
Verizon Maryland
02/04/1994
(410) 884-
Columbia
Verizon Maryland
01/10/1996
(410) 885-
Chesapeake City
Verizon Maryland
02/04/1994
(410) 886-
Tilghman
Verizon Maryland
02/04/1994
(410) 887-
Towson
Verizon Maryland
02/04/1994
(410) 888-
Laurel
Verizon Maryland
01/25/1998
(410) 889-
Baltimore
Verizon Maryland
02/04/1994
(410) 890-
Towson
Usa Mobility Wireless
10/11/1997
(410) 891-
Baltimore
Mci Worldcom Communications
01/10/1996
(410) 892-
Linthicum Heights
Verizon Maryland
02/04/1994
(410) 893-
Bel Air
Verizon Maryland
02/04/1994
(410) 894-
Towson
Usa Mobility Wireless
09/11/1994
(410) 895-
Baltimore
Verizon Maryland
02/11/1995
(410) 896-
Delmar
Verizon Maryland
02/04/1994
(410) 897-
Annapolis
Verizon Maryland
07/06/1997
(410) 898-
Beltsville
Verizon Maryland
02/04/1994
(410) 899-
Towson
Usa Mobility Wireless
10/11/1997
(410) 900-
Baltimore
Ctc Communications Corp.
10/04/2004
(410) 901-
Cambridge
Verizon Maryland
10/15/1996
(410) 902-
Pikesville
Verizon Maryland
10/15/1996
(410) 903-
Baltimore
Sprint Spectrum
10/15/1996
(410) 904-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 905-
Baltimore
Sprint Spectrum
04/15/1996
(410) 906-
Baltimore
Verizon Maryland
02/04/1994
(410) 907-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 908-
Baltimore
Sprint Spectrum
07/01/1996
(410) 909-
Elkridge
Usa Mobility Wireless
02/04/1994
(410) 910-
Baltimore
Mci Worldcom Communications
07/01/1996
(410) 912-
Salisbury
Cavalier Telephone (mid-atlantic)
08/14/1998
(410) 913-
Baltimore
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 914-
Churchville
Cavalier Telephone (mid-atlantic)
08/14/1998
(410) 915-
Baltimore
Baltimore-washington Telephone (bwt)
10/27/2005
(410) 916-
Baltimore
Cellco Partnership DBA Verizon Wireless
04/01/1997
(410) 917-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 918-
Essex
Verizon Maryland
10/15/1996
(410) 919-
Annapolis
Mci Worldcom Communications
07/01/1996
(410) 920-
Elkton
New Cingular Wireless PCS - DC
02/04/1994
(410) 921-
Laurel
Tw Telecom Of Maryland LLC
01/25/1998
(410) 922-
Randallstown
Verizon Maryland
02/04/1994
(410) 923-
Millersville
Verizon Maryland
02/04/1994
(410) 924-
Easton
Cellco Partnership DBA Verizon Wireless
02/11/1995
(410) 925-
Baltimore
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 926-
Catonsville
New Cingular Wireless PCS - DC
10/11/1997
(410) 927-
Laurel
Tw Telecom Of Maryland LLC
01/25/1998
(410) 928-
Millington
Verizon Maryland
02/04/1994
(410) 929-
Baltimore
Bandwidth.com Clec
05/13/2008
(410) 930-
Baltimore
Redi-call Communications Co
01/25/1998
(410) 931-
Parkville
Verizon Maryland
02/04/1994
(410) 932-
Elkridge
Usa Mobility Wireless
04/01/1997
(410) 933-
Parkville
Verizon Maryland
09/11/1994
(410) 934-
Annapolis
New Cingular Wireless PCS - DC
01/27/2012
(410) 935-
Baltimore
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 937-
Fallston
Cellco Partnership DBA Verizon Wireless
04/15/1996
(410) 938-
Towson
Verizon Maryland
02/04/1994
(410) 939-
Havre De Grace
Verizon Maryland
02/04/1994
(410) 940-
Annapolis
Atx Telecommunications Services, Ltd
01/22/2002
(410) 941-
Jarrettsville
Verizon Maryland
08/21/2001
(410) 942-
Havre De Grace
Verizon Maryland
10/11/1997
(410) 943-
Hurlock
Verizon Maryland
02/04/1994
(410) 944-
Woodlawn
Verizon Maryland
02/04/1994
(410) 945-
Baltimore
Verizon Maryland
02/04/1994
(410) 946-
Annapolis
Verizon Maryland
11/20/1998
(410) 947-
Baltimore
Verizon Maryland
02/04/1994
(410) 948-
Catonsville
New Cingular Wireless PCS - DC
05/18/1998
(410) 949-
Baltimore
Mci Worldcom Communications
05/18/1998
(410) 951-
Baltimore
Teleport Communications America
10/15/1996
(410) 952-
Baltimore
Cellco Partnership DBA Verizon Wireless
07/04/1995
(410) 953-
Columbia
Verizon Maryland
08/14/1998
(410) 955-
Baltimore
Verizon Maryland
02/04/1994
(410) 956-
Annapolis
Verizon Maryland
02/04/1994
(410) 957-
Pocomoke
Verizon Maryland
02/04/1994
(410) 960-
Baltimore
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 961-
Baltimore
Sprint Spectrum
01/25/1998
(410) 962-
Baltimore
Verizon Maryland
02/04/1994
(410) 963-
Baltimore
Sprint Spectrum
01/25/1998
(410) 964-
Columbia
Verizon Maryland
02/04/1994
(410) 965-
Woodlawn
Verizon Maryland
02/04/1994
(410) 966-
Woodlawn
Verizon Maryland
02/04/1994
(410) 967-
Towson
New Cingular Wireless PCS - DC
05/18/1998
(410) 968-
Crisfield
Verizon Maryland
02/04/1994
(410) 969-
Severn
Verizon Maryland
02/04/1994
(410) 970-
Sykesville
Mci Worldcom Communications
05/18/1998
(410) 971-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 972-
Annapolis
Teleport Communications America
01/25/1998
(410) 973-
Berlin
Mcc Telephony Of The Mid-atlantic
06/23/2010
(410) 974-
Arnold
Verizon Maryland
02/04/1994
(410) 975-
Severna Park
Verizon Maryland
05/18/1998
(410) 976-
Baltimore-washington Telephone (bwt)
10/13/2005
(410) 977-
Baltimore
Sprint Spectrum
01/25/1998
(410) 978-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 979-
Catonsville
New Cingular Wireless PCS - DC
02/04/1994
(410) 980-
Annapolis
Cellco Partnership DBA Verizon Wireless
05/18/1998
(410) 981-
Linthicum Heights
Verizon Maryland
02/27/1999
(410) 982-
Baltimore
Quantum Telecommunications
10/13/2003
(410) 983-
Fork
Verizon Maryland
01/25/1998
(410) 984-
Sykesville
Sprint Spectrum
01/25/1998
(410) 985-
Jessup
Baltimore-washington Telephone (bwt)
02/13/2002
(410) 986-
Baltimore
Verizon Maryland
01/10/1996
(410) 987-
Severn
Verizon Maryland
02/04/1994
(410) 988-
Columbia
Verizon Maryland
02/04/1994
(410) 989-
Churchville
Verizon Maryland
01/25/1998
(410) 990-
Annapolis
Verizon Maryland
01/25/1998
(410) 991-
Annapolis
Cellco Partnership DBA Verizon Wireless
02/04/1994
(410) 992-
Columbia
Verizon Maryland
02/04/1994
(410) 993-
Linthicum Heights
Verizon Maryland
02/04/1994
(410) 994-
Aberdeen
Verizon Maryland
02/11/1995
(410) 995-
Ellicott City
Verizon Maryland
02/04/1994
(410) 996-
Port Deposit
Verizon Maryland
02/04/1994
(410) 997-
Columbia
Verizon Maryland
02/04/1994
(410) 998-
Pikesville
Verizon Maryland
02/04/1994
(410) 999-
Baltimore
Baltimore-washington Telephone (bwt)
06/09/2003

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com


Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.