858 Area Code
| State: | California |
| Major City: | San Diego |
| Timezone: | Pacific |
| Current Time: | 8:57am |
| Short URL: | allareacodes.com/858 |
Where is area code 858?
Area code 858 serves San Diego, CA and the surrounding areas. It is an overlay for area code 619 and serves the same area.
What time zone is area code 858?
The 858 area code is located in the Pacific timezone. The Pacific time zone is also known as America/Los_Angeles. As of the last time this page was loaded, the current time is 8:57am.
History
858 was first put in service June 12, 1999. It was created from area code 619.
Nearby Area Codes
Top 1 Counties in Area Code 858
| County | Total Population | % of 858 | % of County |
|---|---|---|---|
| San Diego, CA | 3,095,313 | 100% | 37% |
Top 34 Cities in Area Code 858
| City | Total Population | % of 858 | % of City |
|---|---|---|---|
| San Diego, CA | 1,307,402 | 21% | 96% |
| Chula Vista, CA | 243,916 | 3% | 100% |
| El Cajon, CA | 99,478 | 1% | 100% |
| National City, CA | 58,582 | 1% | 100% |
| La Mesa, CA | 57,065 | 1% | 100% |
| Santee, CA | 53,413 | 1% | 100% |
| Poway, CA | 47,811 | 2% | 91% |
| La Presa, CA | 34,169 | 0% | 100% |
| Spring Valley, CA | 28,205 | 0% | 100% |
| Imperial Beach, CA | 26,324 | 0% | 100% |
| Lemon Grove, CA | 25,320 | 0% | 100% |
| Rancho San Diego, CA | 21,208 | 1% | 100% |
| Lakeside, CA | 20,648 | 0% | 100% |
| Winter Gardens, CA | 20,631 | 0% | 100% |
| Coronado, CA | 18,912 | 2% | 100% |
| Casa de Oro-Mount Helix, CA | 18,762 | 0% | 100% |
| Bostonia, CA | 15,379 | 0% | 100% |
| Alpine, CA | 14,236 | 2% | 100% |
| Solana Beach, CA | 12,867 | 0% | 100% |
| Bonita, CA | 12,538 | 0% | 100% |
| Jamul, CA | 6,163 | 1% | 100% |
| Eucalyptus Hills, CA | 5,313 | 0% | 100% |
| Del Mar, CA | 4,161 | 0% | 100% |
| Harbison Canyon, CA | 3,841 | 1% | 100% |
| Fairbanks Ranch, CA | 3,148 | 0% | 98% |
| Granite Hills, CA | 3,035 | 0% | 100% |
| Campo, CA | 2,684 | 1% | 100% |
| Crest, CA | 2,593 | 0% | 100% |
| Pine Valley, CA | 1,510 | 0% | 100% |
| Descanso, CA | 1,423 | 1% | 100% |
| Potrero, CA | 656 | 0% | 100% |
| Jacumba, CA | 561 | 0% | 100% |
| Rancho Santa Fe, CA | 3,117 | 0% | 18% |
| Boulevard, CA | 315 | 0% | 100% |
Largest Telephone Carriers
Landline
| Prefixes | Carrier |
|---|---|
| 38% | Pacific Bell |
| 5% | Tw Telecom |
| 5% | Xo |
| 4% | Mci Worldcom, CA |
| 3% | Teleport America |
| 3% | Mpower |
| 3% | Pac - West Telecomm |
| 19% | Other |
Wireless
| Prefixes | Carrier |
|---|---|
| 5% | Verizon Wireless |
| 5% | Cingular |
| 4% | Sprint |
| 2% | T-mobile |
| 1% | American Messaging (am) |
| 1% | Usa Mobility Wireless |
| 1% | American Messaging Services |
| 1% | Other |
Prefixes
Assigned
Usage
Prefix
Usage
Primary City
Carrier
Introduced
(858) 200-
La Jolla
U.s. Telepacific Corp.
07/22/1999
(858) 201-
San Diego
Level 3 Communications
10/13/1999
(858) 202-
La Jolla
Pacific Bell
06/30/2001
(858) 204-
San Diego
Cellco Partnership DBA Verizon Wireless
06/30/2001
(858) 205-
San Diego
T-mobile Usa
01/16/2002
(858) 206-
Poway
Ymax Communications Corp.
11/21/2006
(858) 207-
Rancho Bernardo
Teleport Communications America
07/22/1999
(858) 208-
San Diego
O1 Communications
06/30/2001
(858) 210-
La Jolla
Cellco Partnership DBA Verizon Wireless
07/21/2008
(858) 212-
San Diego
Sprint Spectrum
08/20/2000
(858) 213-
San Diego
Sprint Spectrum
08/20/2000
(858) 215-
San Diego
Pacific Bell
03/30/2007
(858) 216-
San Diego
U.s. Telepacific Corp.
08/20/2000
(858) 217-
San Diego
U.s. Telepacific Corp.
08/20/2000
(858) 218-
San Diego
U.s. Telepacific Corp.
08/20/2000
(858) 219-
San Diego
American Messaging Services
03/03/2001
(858) 220-
La Jolla
Sprint Spectrum
01/18/2002
(858) 222-
La Jolla
Ymax Communications Corp.
10/13/2008
(858) 223-
San Diego
Onvoy
06/10/2013
(858) 224-
San Diego
Cbeyond Communications
11/06/2009
(858) 225-
San Diego
Pac - West Telecomm
03/03/2001
(858) 227-
San Diego
Xo California
08/20/2000
(858) 228-
La Jolla
Xo California
08/20/2000
(858) 229-
San Diego
Cellco Partnership DBA Verizon Wireless
09/13/2001
(858) 230-
San Diego
Sbc Internet Services
08/23/2011
(858) 231-
Poway
T-mobile Usa
12/14/2001
(858) 232-
La Jolla
New Cingular Wireless PCS
08/20/2000
(858) 233-
La Jolla
North County Communications Corp.
08/20/2000
(858) 234-
Rancho Bernardo
North County Communications Corp.
08/20/2000
(858) 236-
Poway
North County Communications Corp.
08/20/2000
(858) 237-
San Diego
North County Communications Corp.
08/20/2000
(858) 240-
San Diego
Tw Telecom Of California Lp
10/13/1999
(858) 242-
San Diego
New Cingular Wireless PCS
06/20/2011
(858) 243-
San Diego
Cellco Partnership DBA Verizon Wireless
05/17/2001
(858) 244-
San Diego
Xo California
10/13/1999
(858) 245-
La Jolla
Cellco Partnership DBA Verizon Wireless
09/17/2001
(858) 246-
La Jolla
Tw Telecom Of California Lp
07/03/2007
(858) 248-
Poway
Cellco Partnership DBA Verizon Wireless
10/18/2001
(858) 249-
San Diego
New Cingular Wireless PCS
10/04/2012
(858) 251-
San Diego
Peerless Network Of California
06/29/2012
(858) 254-
San Diego
Sprint Spectrum
10/13/1999
(858) 255-
La Jolla
Teleport Communications America
02/02/2011
(858) 256-
San Diego
Cox California Telcom, L.l.c.
03/10/2013
(858) 259-
Del Mar
Pacific Bell
07/22/1999
(858) 260-
La Jolla
T-mobile Usa
07/22/2013
(858) 263-
San Diego
Time Warner Cbl Info Svcs (ca) DBAtime Warner Cbl
03/12/2013
(858) 266-
San Diego
Pacific Bell
11/08/2013
(858) 268-
San Diego
Pacific Bell
07/22/1999
(858) 270-
La Jolla
Pacific Bell
07/22/1999
(858) 271-
San Diego
Pacific Bell
07/22/1999
(858) 272-
La Jolla
Pacific Bell
07/22/1999
(858) 273-
La Jolla
Pacific Bell
07/22/1999
(858) 274-
La Jolla
Pacific Bell
07/22/1999
(858) 275-
San Diego
Cellco Partnership DBA Verizon Wireless
04/08/2014
(858) 277-
San Diego
Pacific Bell
07/22/1999
(858) 278-
San Diego
Pacific Bell
07/22/1999
(858) 279-
San Diego
Pacific Bell
07/22/1999
(858) 281-
San Diego
Level 3 Communications
04/22/2014
(858) 284-
Bandwidth.com Clec
05/15/2014
(858) 292-
San Diego
Pacific Bell
07/22/1999
(858) 297-
Del Mar
North County Communications Corp.
08/20/2000
(858) 300-
San Diego
U.s. Telepacific Corp.
08/20/2000
(858) 304-
Rancho Bernardo
AT&T Local
10/13/1999
(858) 309-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 312-
Rancho Bernardo
Cox California Telcom, L.l.c.
10/13/1999
(858) 314-
Del Mar
Teleport Communications America
07/22/1999
(858) 320-
La Jolla
Pacific Bell
10/13/1999
(858) 324-
San Diego
Teleport Communications America
10/13/1999
(858) 332-
La Jolla
Tw Telecom Of California Lp
10/13/1999
(858) 333-
La Jolla
Telcentris Communications
08/12/2010
(858) 334-
La Jolla
Pacific Bell
02/15/2001
(858) 335-
Poway
New Cingular Wireless PCS
08/20/2000
(858) 336-
San Diego
New Cingular Wireless PCS
08/20/2000
(858) 337-
San Diego
New Cingular Wireless PCS
08/20/2000
(858) 342-
Del Mar
New Cingular Wireless PCS
08/20/2000
(858) 344-
San Diego
New Cingular Wireless PCS
04/24/2001
(858) 345-
Del Mar
Cox California Telcom, L.l.c.
10/13/1999
(858) 346-
San Diego
Global Crossing Local Services-ca
10/13/1999
(858) 347-
Del Mar
Usa Mobility Wireless
07/22/1999
(858) 348-
San Diego
Xo California
10/13/1999
(858) 349-
San Diego
New Cingular Wireless PCS
08/20/2000
(858) 350-
Del Mar
Pacific Bell
07/22/1999
(858) 352-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 353-
Del Mar
New Cingular Wireless PCS
08/20/2000
(858) 354-
San Diego
Cellco Partnership DBA Verizon Wireless
10/13/1999
(858) 356-
Del Mar
Mpower Communications Corp
10/13/1999
(858) 357-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 359-
San Diego
American Messaging (am)
10/13/1999
(858) 360-
San Diego
Pacific Bell
08/20/2000
(858) 361-
La Jolla
New Cingular Wireless PCS
07/22/1999
(858) 362-
La Jolla
Xo California
10/13/1999
(858) 364-
San Diego
North County Communications Corp.
08/20/2000
(858) 365-
San Diego
O1 Communications
08/20/2000
(858) 366-
San Diego
Xo California
10/13/1999
(858) 367-
Rancho Santa Fe
O1 Communications
08/20/2000
(858) 368-
San Diego
O1 Communications
08/20/2000
(858) 369-
Del Mar
AT&T Local
07/22/1999
(858) 371-
San Diego
Cox California Telcom, L.l.c.
10/13/1999
(858) 373-
La Jolla
Xo California
10/13/1999
(858) 375-
San Diego
Mpower Communications Corp
10/13/1999
(858) 376-
Rancho Bernardo
Mpower Communications Corp
10/13/1999
(858) 380-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 381-
San Diego
Teleport Communications America
10/13/1999
(858) 382-
Poway
New Cingular Wireless PCS
01/14/2000
(858) 384-
San Diego
Global Crossing Local Services-ca
07/22/1999
(858) 385-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 386-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 391-
Poway
Pacific Bell
07/22/1999
(858) 395-
San Diego
Cellco Partnership DBA Verizon Wireless
07/22/1999
(858) 397-
San Diego
Cox California Telcom, L.l.c.
07/22/1999
(858) 400-
San Diego
U.s. Telepacific Corp.
08/20/2000
(858) 401-
La Jolla
Teleport Communications America
03/08/2004
(858) 404-
La Jolla
Pacific Bell
07/22/1999
(858) 405-
La Jolla
T-mobile Usa
12/14/2001
(858) 408-
San Diego
Xo California
07/22/1999
(858) 410-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 412-
La Jolla
Time Warner Cbl Info Svcs (ca) DBAtime Warner Cbl
09/22/2006
(858) 413-
Poway
Mpower Communications Corp
10/13/1999
(858) 414-
San Diego
Cellco Partnership DBA Verizon Wireless
05/17/2002
(858) 427-
San Diego
Paetec Communications
08/20/2000
(858) 428-
San Diego
Pac - West Telecomm
08/20/2000
(858) 429-
San Diego
O1 Communications
08/20/2000
(858) 430-
San Diego
Xo California
10/13/1999
(858) 431-
San Diego
AT&T Local
07/22/1999
(858) 432-
San Diego
Mpower Communications Corp
07/22/1999
(858) 433-
San Diego
Paetec Communications
08/20/2000
(858) 434-
San Diego
Xo California
08/20/2000
(858) 435-
Poway
Paetec Communications
08/20/2000
(858) 436-
San Diego
U.s. Telepacific Corp.
08/20/2000
(858) 437-
San Diego
Pacific Bell
08/20/2000
(858) 442-
San Diego
Cellco Partnership DBA Verizon Wireless
08/20/2000
(858) 444-
San Diego
U.s. Telepacific Corp.
08/20/2000
(858) 449-
San Diego
Cellco Partnership DBA Verizon Wireless
08/20/2000
(858) 450-
La Jolla
Pacific Bell
07/22/1999
(858) 451-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 452-
La Jolla
Pacific Bell
07/22/1999
(858) 453-
La Jolla
Pacific Bell
07/22/1999
(858) 454-
La Jolla
Pacific Bell
07/22/1999
(858) 455-
La Jolla
Pacific Bell
07/22/1999
(858) 456-
La Jolla
Pacific Bell
07/22/1999
(858) 457-
La Jolla
Pacific Bell
07/22/1999
(858) 458-
La Jolla
Pacific Bell
07/22/1999
(858) 459-
La Jolla
Pacific Bell
07/22/1999
(858) 461-
Del Mar
Level 3 Communications
01/06/2006
(858) 465-
Del Mar
Level 3 Communications
03/29/2013
(858) 467-
San Diego
Pacific Bell
07/22/1999
(858) 472-
Rancho Bernardo
Cellco Partnership DBA Verizon Wireless
09/13/2001
(858) 480-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 481-
Del Mar
Pacific Bell
07/22/1999
(858) 483-
La Jolla
Pacific Bell
07/22/1999
(858) 484-
San Diego
Pacific Bell
07/22/1999
(858) 485-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 486-
Poway
Pacific Bell
07/22/1999
(858) 487-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 488-
La Jolla
Pacific Bell
07/22/1999
(858) 490-
La Jolla
Pacific Bell
07/22/1999
(858) 492-
San Diego
Pacific Bell
07/22/1999
(858) 493-
San Diego
American Messaging (am)
07/22/1999
(858) 494-
San Diego
American Messaging (am)
07/22/1999
(858) 495-
San Diego
Pacific Bell
07/22/1999
(858) 496-
San Diego
Pacific Bell
07/22/1999
(858) 499-
San Diego
Pacific Bell
10/13/1999
(858) 500-
San Diego
Cf Communications DBA Telekenex
04/19/2012
(858) 502-
San Diego
Pacific Bell
07/22/1999
(858) 503-
San Diego
Pacific Bell
07/22/1999
(858) 504-
Rancho Santa Fe
T-mobile Usa
08/30/2002
(858) 505-
San Diego
Pacific Bell
07/22/1999
(858) 509-
Del Mar
Pacific Bell
07/22/1999
(858) 513-
Poway
Pacific Bell
07/22/1999
(858) 514-
San Diego
Pacific Bell
07/22/1999
(858) 518-
San Diego
Sprint Spectrum
08/20/2000
(858) 519-
San Diego
Mpower Communications Corp
07/22/1999
(858) 521-
Rancho Bernardo
Pacific Bell
08/20/2000
(858) 522-
San Diego
Pacific Bell
08/20/2000
(858) 523-
Del Mar
Pacific Bell
08/20/2000
(858) 524-
Del Mar
Pacific Bell
08/20/2000
(858) 525-
La Jolla
Pacific Bell
08/20/2000
(858) 526-
La Jolla
Pacific Bell
08/20/2000
(858) 527-
San Diego
Pacific Bell
08/20/2000
(858) 529-
San Diego
Cf Communications DBA Telekenex
11/02/2011
(858) 530-
San Diego
Pacific Bell
07/22/1999
(858) 531-
La Jolla
New Cingular Wireless PCS
06/18/2001
(858) 534-
La Jolla
Pacific Bell
07/22/1999
(858) 535-
La Jolla
Pacific Bell
07/22/1999
(858) 536-
San Diego
Pacific Bell
07/22/1999
(858) 537-
San Diego
Pacific Bell
07/22/1999
(858) 538-
San Diego
Pacific Bell
07/22/1999
(858) 539-
La Jolla
Pacific Bell
07/22/1999
(858) 541-
San Diego
Pacific Bell
07/22/1999
(858) 546-
La Jolla
Pacific Bell
07/22/1999
(858) 547-
San Diego
Pacific Bell
07/22/1999
(858) 549-
San Diego
Pacific Bell
07/22/1999
(858) 550-
La Jolla
Pacific Bell
07/22/1999
(858) 551-
La Jolla
Pacific Bell
07/22/1999
(858) 552-
La Jolla
Pacific Bell
07/22/1999
(858) 554-
La Jolla
Pacific Bell
07/22/1999
(858) 558-
La Jolla
Pacific Bell
07/22/1999
(858) 560-
San Diego
Pacific Bell
07/22/1999
(858) 564-
San Diego
Mpower Communications Corp
10/13/1999
(858) 565-
San Diego
Pacific Bell
07/22/1999
(858) 566-
San Diego
Pacific Bell
07/22/1999
(858) 568-
La Jolla
Leap Wireless Intl DBA Cricket Comm
08/09/2006
(858) 569-
San Diego
Pacific Bell
07/22/1999
(858) 571-
San Diego
Pacific Bell
07/22/1999
(858) 573-
San Diego
Pacific Bell
07/22/1999
(858) 576-
San Diego
Pacific Bell
07/22/1999
(858) 577-
San Diego
Pacific Bell
10/13/1999
(858) 578-
San Diego
Pacific Bell
07/22/1999
(858) 581-
La Jolla
Pacific Bell
07/22/1999
(858) 583-
San Diego
Sprint Spectrum
09/24/2001
(858) 586-
San Diego
Pacific Bell
07/22/1999
(858) 587-
La Jolla
Pacific Bell
07/22/1999
(858) 592-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 597-
La Jolla
Pacific Bell
07/22/1999
(858) 598-
San Diego
Teleport Communications America
07/22/1999
(858) 600-
San Diego
American Messaging (am)
01/14/2000
(858) 602-
Poway
Sprint Spectrum
04/01/2002
(858) 603-
San Diego
New Cingular Wireless PCS
10/13/1999
(858) 605-
Rancho Bernardo
Paetec Communications
08/20/2000
(858) 609-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 610-
San Diego
T-mobile Usa
08/30/2002
(858) 613-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 614-
San Diego
Pacific Bell
07/22/1999
(858) 616-
San Diego
Pacific Bell
07/22/1999
(858) 617-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 618-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 621-
San Diego
Pacific Bell
07/22/1999
(858) 622-
La Jolla
Pacific Bell
07/22/1999
(858) 623-
La Jolla
Pacific Bell
07/22/1999
(858) 625-
La Jolla
Pacific Bell
07/22/1999
(858) 626-
La Jolla
Pacific Bell
07/22/1999
(858) 627-
San Diego
Pacific Bell
07/22/1999
(858) 630-
San Diego
Pac - West Telecomm
10/13/1999
(858) 633-
San Diego
AT&T Local
07/22/1999
(858) 634-
San Diego
Cox California Telcom, L.l.c.
07/22/1999
(858) 635-
San Diego
Pacific Bell
07/22/1999
(858) 636-
San Diego
Pacific Bell
07/22/1999
(858) 637-
San Diego
Pacific Bell
07/22/1999
(858) 638-
La Jolla
Pacific Bell
07/22/1999
(858) 642-
La Jolla
Pacific Bell
07/22/1999
(858) 643-
La Jolla
Pacific Bell
07/22/1999
(858) 646-
La Jolla
Pacific Bell
07/22/1999
(858) 649-
San Diego
Tw Telecom Of California Lp
10/13/1999
(858) 650-
San Diego
Pacific Bell
07/22/1999
(858) 651-
La Jolla
Tw Telecom Of California Lp
07/22/1999
(858) 652-
San Diego
Sprint Spectrum
09/21/2006
(858) 653-
San Diego
Pacific Bell
07/22/1999
(858) 654-
San Diego
Pacific Bell
07/22/1999
(858) 655-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 657-
La Jolla
Pacific Bell
07/22/1999
(858) 658-
La Jolla
Pacific Bell
07/22/1999
(858) 663-
San Diego
Sprint Spectrum
10/13/1999
(858) 666-
San Diego
Cf Communications DBA Telekenex
09/18/2012
(858) 668-
Poway
Pacific Bell
06/30/2001
(858) 672-
San Diego
Pacific Bell
07/22/1999
(858) 673-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 674-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 675-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 676-
Rancho Bernardo
Pacific Bell
07/22/1999
(858) 677-
La Jolla
Pacific Bell
07/22/1999
(858) 678-
La Jolla
Pacific Bell
07/22/1999
(858) 679-
Poway
Pacific Bell
07/22/1999
(858) 682-
San Diego
Sprint Spectrum
08/20/2000
(858) 683-
Rancho Bernardo
Pac - West Telecomm
10/31/2000
(858) 684-
San Diego
Pacific Bell
07/22/1999
(858) 688-
San Diego
Sprint Spectrum
09/24/2001
(858) 689-
San Diego
Pacific Bell
07/22/1999
(858) 692-
La Jolla
Cellco Partnership DBA Verizon Wireless
08/14/2002
(858) 693-
San Diego
Pacific Bell
07/22/1999
(858) 694-
San Diego
Pacific Bell
07/22/1999
(858) 695-
San Diego
Pacific Bell
07/22/1999
(858) 699-
La Jolla
New Cingular Wireless PCS
11/07/2001
(858) 703-
Del Mar
Mci Worldcom Communications, CA
07/22/1999
(858) 704-
San Diego
Xo California
10/13/1999
(858) 705-
San Diego
New Cingular Wireless PCS
10/13/1999
(858) 707-
San Diego
Mpower Communications Corp
07/22/1999
(858) 712-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 713-
San Diego
Mpower Communications Corp
07/22/1999
(858) 715-
San Diego
Pacific Bell
07/22/1999
(858) 716-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 717-
San Diego
T-mobile Usa
08/30/2002
(858) 720-
Del Mar
Pacific Bell
10/13/1999
(858) 722-
Poway
New Cingular Wireless PCS
10/31/2000
(858) 724-
San Diego
Xo California
10/13/1999
(858) 726-
San Diego
Xo California
10/13/1999
(858) 728-
San Diego
Usa Mobility Wireless
10/13/1999
(858) 729-
La Jolla
Pacific Bell
07/22/1999
(858) 731-
San Diego
Mci Worldcom Communications, CA
10/13/1999
(858) 733-
San Diego
T-mobile Usa
08/30/2002
(858) 735-
San Diego
Cellco Partnership DBA Verizon Wireless
10/13/1999
(858) 736-
La Jolla
Tw Telecom Of California Lp
07/22/1999
(858) 737-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 740-
San Diego
AT&T Local
08/20/2000
(858) 746-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 748-
Poway
Pacific Bell
07/22/1999
(858) 750-
La Jolla
Cellco Partnership DBA Verizon Wireless
07/18/2006
(858) 751-
San Diego
Mpower Communications Corp
10/13/1999
(858) 752-
San Diego
T-mobile Usa
07/22/1999
(858) 753-
San Diego
Xo California
01/14/2000
(858) 754-
La Jolla
Tw Telecom Of California Lp
07/22/1999
(858) 755-
Del Mar
Pacific Bell
07/22/1999
(858) 756-
Rancho Santa Fe
Pacific Bell
07/22/1999
(858) 759-
Rancho Santa Fe
Pacific Bell
07/22/1999
(858) 761-
San Diego
Xo California
10/13/1999
(858) 762-
San Diego
Global Crossing Local Services-ca
10/13/1999
(858) 763-
San Diego
American Messaging Services
07/22/1999
(858) 764-
Del Mar
Paetec Communications
10/13/1999
(858) 766-
La Jolla
Neutral Tandem-california
11/07/2012
(858) 768-
San Diego
Cox California Telcom, L.l.c.
09/22/2006
(858) 769-
San Diego
Pac - West Telecomm
10/13/1999
(858) 771-
Rancho Santa Fe
Sbc Internet Services
11/05/2004
(858) 774-
San Diego
New Cingular Wireless PCS
08/20/2000
(858) 775-
San Diego
Cellco Partnership DBA Verizon Wireless
10/13/1999
(858) 776-
Rancho Bernardo
T-mobile Usa
08/30/2002
(858) 777-
San Diego
Pac - West Telecomm
07/22/1999
(858) 779-
San Diego
Tw Telecom Of California Lp
10/13/1999
(858) 780-
San Diego
Pacific Bell
07/22/1999
(858) 784-
La Jolla
Pacific Bell
07/22/1999
(858) 790-
San Diego
Teleport Communications America
07/22/1999
(858) 792-
Del Mar
Pacific Bell
07/22/1999
(858) 793-
Del Mar
Pacific Bell
07/22/1999
(858) 794-
Del Mar
Pacific Bell
07/22/1999
(858) 795-
La Jolla
Teleport Communications America
08/20/2000
(858) 798-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 799-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 800-
San Diego
Vaya Telecom
06/14/2011
(858) 805-
San Diego
Tw Telecom Of California Lp
07/22/1999
(858) 810-
San Diego
Teleport Communications America
07/22/1999
(858) 812-
La Jolla
Teleport Communications America
07/22/1999
(858) 815-
Rancho Bernardo
Pac - West Telecomm
07/22/1999
(858) 822-
La Jolla
Pacific Bell
07/22/1999
(858) 824-
La Jolla
Pacific Bell
07/22/1999
(858) 826-
La Jolla
Pacific Bell
10/13/1999
(858) 829-
San Diego
Sprint Spectrum
08/20/2000
(858) 831-
San Diego
Pacific Bell
01/14/2000
(858) 832-
Rancho Santa Fe
Cox California Telcom, L.l.c.
10/13/1999
(858) 834-
San Diego
Global Crossing Local Services-ca
01/14/2000
(858) 836-
San Diego
Xo California
01/14/2000
(858) 837-
San Diego
New Cingular Wireless PCS
08/20/2000
(858) 842-
Poway
Cox California Telcom, L.l.c.
07/22/1999
(858) 845-
La Jolla
Tw Telecom Of California Lp
07/22/1999
(858) 847-
Del Mar
Pacific Bell
06/30/2001
(858) 848-
Poway
Teleport Communications America
07/22/1999
(858) 856-
San Diego
Network Services LLC (tsr)
01/14/2000
(858) 859-
Poway
Mci Worldcom Communications, CA
07/22/1999
(858) 860-
San Diego
Mpower Communications Corp
07/22/1999
(858) 863-
San Diego
Global Crossing Local Services-ca
08/20/2000
(858) 864-
San Diego
Sprint Spectrum
01/14/2000
(858) 866-
La Jolla
Mpower Communications Corp
07/22/1999
(858) 869-
San Diego
Mpower Communications Corp
06/13/2000
(858) 874-
San Diego
Pacific Bell
07/22/1999
(858) 875-
San Diego
U.s. Telepacific Corp.
07/22/1999
(858) 876-
Del Mar
Global Crossing Local Services-ca
06/13/2000
(858) 877-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 879-
Rancho Bernardo
Mci Worldcom Communications, CA
07/22/1999
(858) 880-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 882-
La Jolla
Tw Telecom Of California Lp
07/22/1999
(858) 883-
San Diego
Sprint Spectrum
10/31/2000
(858) 886-
La Jolla
Pacific Bell
07/22/1999
(858) 888-
San Diego
Telcentris Communications
06/21/2010
(858) 900-
San Diego
Cf Communications DBA Telekenex
03/30/2012
(858) 901-
San Diego
Xo California
08/20/2000
(858) 905-
San Diego
Mci Worldcom Communications, CA
07/22/1999
(858) 909-
La Jolla
Pacific Bell
06/13/2000
(858) 914-
Rancho Santa Fe
Level 3 Communications
07/22/1999
(858) 922-
San Diego
Cellco Partnership DBA Verizon Wireless
08/20/2000
(858) 923-
Rancho Santa Fe
Pac - West Telecomm
08/20/2000
(858) 924-
Rancho Bernardo
Pacific Bell
08/20/2000
(858) 925-
San Diego
O1 Communications
08/20/2000
(858) 926-
San Diego
O1 Communications
08/20/2000
(858) 927-
Rancho Bernardo
O1 Communications
08/20/2000
(858) 935-
San Diego
Xo California
06/13/2000
(858) 939-
San Diego
Pacific Bell
06/13/2000
(858) 942-
San Diego
Teleport Communications America
07/22/1999
(858) 943-
San Diego
Tw Telecom Of California Lp
10/13/1999
(858) 945-
San Diego
Cellco Partnership DBA Verizon Wireless
01/14/2000
(858) 946-
San Diego
Xo California
08/20/2000
(858) 947-
Del Mar
Pac - West Telecomm
06/13/2000
(858) 949-
San Diego
American Messaging (am)
06/13/2000
(858) 951-
Rancho Santa Fe
Global Crossing Local Services-ca
06/13/2000
(858) 952-
La Jolla
Level 3 Communications
12/19/2005
(858) 956-
Poway
Pac - West Telecomm
08/20/2000
(858) 964-
San Diego
Paetec Communications
08/20/2000
(858) 966-
San Diego
Pacific Bell
06/13/2000
(858) 967-
San Diego
Sprint Spectrum
06/13/2000
(858) 974-
San Diego
Pacific Bell
07/22/1999
(858) 997-
La Jolla
Cellco Partnership DBA Verizon Wireless
08/17/2007
(858) 999-
San Diego
Cf Communications DBA Telekenex
09/23/2010
Heavily Reported Numbers
Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.
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