Phone
Instant Phone Lookup

Enter a phone number, area code, or city and state.

Maryland Area Codes

Maryland Area Code Map

Try the Printable Maryland Area Code Map


Maryland currently utilizes 5 area codes. When first established by AT&T and the Bell System in 1947, 301 covered the entire state of Maryland. The most recently added was 667 in 2012 as an overlay to 410. Today, 410 is the most populated with an estimated 3.1 million of the state's 5.8 million residents.

Area Codes for the Largest Cities in Maryland

  • Annapolis 667/443/410
  • Arbutus 667/443/410
  • Arnold 667/443/410
  • Aspen Hill 240/301
  • Baltimore 410/667/443
  • Bel Air North 443/410/667
  • Bel Air South 667/443/410
  • Bethesda 301/240
  • Bowie 301/240
  • Carney 667/443/410
  • Catonsville 667/443/410
  • Chillum 301/240
  • Clinton 301/240
  • College Park 301/240
  • Columbia 667/443/410
  • Crofton 667/443/410
  • Cumberland 301/240
  • Dundalk 667/443/410
  • Edgewood 410/667/443
  • Eldersburg 443/410/667
  • Elkridge 667/443/410
  • Ellicott City 667/443/410
  • Essex 667/443/410
  • Fairland 240/301
  • Fort Washington 240/301
  • Frederick 301/240
  • Gaithersburg 301/240
  • Germantown 301/240
  • Glen Burnie 667/443/410
  • Greenbelt 301/240
  • Hagerstown 301/240
  • Landover 301/240
  • Lochearn 667/443/410
  • Middle River 667/443/410
  • Milford Mill 410/667/443
  • Montgomery Village 240/301
  • North Bethesda 240/301
  • North Laurel 301/240
  • North Potomac 301/240
  • Odenton 443/410/667
  • Olney 301/240
  • Oxon Hill-glassmanor 301/240
  • Parkville 667/443/410
  • Perry Hall 667/443/410
  • Pikesville 667/443/410
  • Potomac 301/240
  • Randallstown 667/443/410
  • Reisterstown 667/443/410
  • Rockville 301/240
  • Salisbury 667/443/410
  • Severn 410/667/443
  • Severna Park 443/410/667
  • Silver Spring 240/301
  • South Gate 667/443/410
  • South Laurel 240/301
  • St. Charles 301/240
  • Suitland 301/240
  • Towson 667/443/410
  • Waldorf 301/240
  • Wheaton-glenmont 301/240
  • White Oak 301/240

Maryland Area Code List

240 area code

Timezone: Eastern
Current time: 11:03am
240 is an overlay for area code 301.

301 area code

Timezone: Eastern
Current time: 11:03am
  • Accident
  • Accokeek
  • Adamstown
  • Adelphi
  • Andrews AFB
  • Antietam
  • Aquasco
  • Ashton-Sandy Spring
  • Aspen Hill
  • Baden
  • Bagtown
  • Bakersville
  • Ballenger Creek
  • Barnesville
  • Barrelville
  • Barton
  • Bartonsville
  • Beaver Creek
  • Bel Air
  • Beltsville
  • Benedict
  • Bensville
  • Berwyn Heights
  • Bethesda
  • Bier
  • Big Pool
  • Big Spring
  • Bladensburg
  • Bloomington
  • Boonsboro
  • Bowie
  • Bowling Green
  • Bowmans Addition
  • Braddock Heights
  • Brandywine
  • Breathedsville
  • Brentwood
  • Brock Hall
  • Brookeville
  • Brookmont
  • Brownsville
  • Brunswick
  • Bryans Road
  • Bryantown
  • Buckeystown
  • Burkittsville
  • Burtonsville
  • Cabin John
  • California
  • Calverton
  • Camp Springs
  • Capitol Heights
  • Carlos
  • Cavetown
  • Cearfoss
  • Cedarville
  • Charlotte Hall
  • Charlton
  • Cheverly
  • Chevy Chase
  • Chevy Chase
  • Chevy Chase Section Five
  • Chevy Chase Section Three
  • Chevy Chase View
  • Chevy Chase Village
  • Chewsville
  • Chillum
  • Clarksburg
  • Clarysville
  • Clear Spring
  • Clinton
  • Cloverly
  • Cobb Island
  • Colesville
  • College Park
  • Colmar Manor
  • Coral Hills
  • Corriganville
  • Cottage City
  • Crellin
  • Cresaptown
  • Croom
  • Cumberland
  • Damascus
  • Danville
  • Dargan
  • Darnestown
  • Dawson
  • Deer Park
  • Derwood
  • Detmold
  • District Heights
  • Downsville
  • Dunkirk
  • Eagle Harbor
  • Eakles Mill
  • East Riverdale
  • Eckhart Mines
  • Edgemont
  • Edmonston
  • Ellerslie
  • Emmitsburg
  • Ernstville
  • Fairland
  • Fairmount Heights
  • Fairplay
  • Fairview
  • Fairwood
  • Finzel
  • Flintstone
  • Forest Glen
  • Forest Heights
  • Forestville
  • Fort Ritchie
  • Fort Washington
  • Fountainhead-Orchard Hills
  • Four Corners
  • Franklin
  • Frederick
  • Friendly
  • Friendship Heights Village
  • Friendsville
  • Frostburg
  • Fulton
  • Funkstown
  • Gaithersburg
  • Gapland
  • Garrett Park
  • Garretts Mill
  • Germantown
  • Gilmore
  • Glassmanor
  • Glenarden
  • Glen Echo
  • Glenmont
  • Glenn Dale
  • Golden Beach
  • Gorman
  • Grahamtown
  • Grantsville
  • Greenbelt
  • Greensburg
  • Hagerstown
  • Halfway
  • Hancock
  • Highfield-Cascade
  • Highland
  • Hillandale
  • Hillcrest Heights
  • Hughesville
  • Hutton
  • Hyattsville
  • Indian Head
  • Indian Springs
  • Jefferson
  • Jennings
  • Jugtown
  • Keedysville
  • Kemp Mill
  • Kemps Mill
  • Kensington
  • Kettering
  • Kitzmiller
  • Klondike
  • Konterra
  • Lake Arbor
  • Landover
  • Landover Hills
  • Langley Park
  • Lanham
  • La Plata
  • Largo
  • Laurel
  • La Vale
  • Layhill
  • Laytonsville
  • Leisure World
  • Leitersburg
  • Leonardtown
  • Lexington Park
  • Libertytown
  • Linganore
  • Little Orleans
  • Loch Lynn Heights
  • Lonaconing
  • Luke
  • McCoole
  • Mapleville
  • Marlboro Meadows
  • Marlboro Village
  • Marlow Heights
  • Marlton
  • Martin's Additions
  • Maryland City
  • Maugansville
  • Mechanicsville
  • Melwood
  • Mercersville
  • Middleburg
  • Middletown
  • Midland
  • Midlothian
  • Mitchellville
  • Monrovia
  • Montgomery Village
  • Morningside
  • Moscow
  • Mount Aetna
  • Mountain Lake Park
  • Mount Airy
  • Mount Briar
  • Mount Lena
  • Mount Rainier
  • Mount Savage
  • Myersville
  • National
  • National Harbor
  • New Carrollton
  • New Market
  • Nikep
  • North Bethesda
  • North Brentwood
  • North Chevy Chase
  • North Kensington
  • North Laurel
  • North Potomac
  • Oakland
  • Ocean
  • Oldtown
  • Olney
  • Oxon Hill
  • Paramount-Long Meadow
  • Pecktonville
  • Peppermill Village
  • Pinesburg
  • Piney Point
  • Pleasant Grove
  • Point of Rocks
  • Pomfret
  • Pondsville
  • Poolesville
  • Port Tobacco Village
  • Potomac
  • Potomac Heights
  • Potomac Park
  • Queen Anne
  • Queenland
  • Rawlings
  • Redland
  • Reid
  • Ringgold
  • Riverdale Park
  • Robinwood
  • Rock Point
  • Rockville
  • Rohrersville
  • Rosaryville
  • Rosemont
  • Sabillasville
  • St. George Island
  • St. James
  • Sandy Hook
  • San Mar
  • Savage
  • Scaggsville
  • Seabrook
  • Seat Pleasant
  • Shaft
  • Sharpsburg
  • Silver Hill
  • Silver Spring
  • Smithsburg
  • Somerset
  • South Kensington
  • South Laurel
  • Spencerville
  • Springdale
  • Spring Gap
  • Spring Ridge
  • Suitland
  • Summerfield
  • Swanton
  • Takoma Park
  • Tall Timbers
  • Temple Hills
  • Thurmont
  • Tilghmanton
  • Travilah
  • Trego-Rohrersville Station
  • University Park
  • Upper Marlboro
  • Urbana
  • Vale Summit
  • Waldorf
  • Walker Mill
  • Walkersville
  • Washington Grove
  • Westernport
  • West Laurel
  • Westphalia
  • Wheaton
  • White Oak
  • Williamsport
  • Wilson-Conococheague
  • Woodland
  • Woodlawn
  • Woodmore
  • Woodsboro
  • Yarrowsburg
  • Zihlman

410 area code

Timezone: Eastern
Current time: 11:03am
  • Aberdeen
  • Aberdeen Proving Ground
  • Algonquin
  • Allen
  • Annapolis
  • Annapolis Neck
  • Arbutus
  • Arden on the Severn
  • Arnold
  • Baltimore
  • Baltimore Highlands
  • Barclay
  • Bel Air
  • Bel Air North
  • Bel Air South
  • Berlin
  • Betterton
  • Bishopville
  • Bivalve
  • Bowleys Quarters
  • Brooklyn Park
  • Brookview
  • Broomes Island
  • Butlertown
  • Calvert Beach
  • Cambridge
  • Cape St. Claire
  • Carney
  • Catonsville
  • Cecilton
  • Centreville
  • Chance
  • Charlestown
  • Chesapeake Beach
  • Chesapeake City
  • Chesapeake Ranch Estates
  • Chester
  • Chestertown
  • Choptank
  • Church Creek
  • Church Hill
  • Cockeysville
  • Columbia
  • Cordova
  • Crisfield
  • Crofton
  • Crownsville
  • Dames Quarter
  • Darlington
  • Deale
  • Deal Island
  • Delmar
  • Denton
  • Drum Point
  • Dundalk
  • East New Market
  • Easton
  • Eden
  • Edesville
  • Edgemere
  • Edgewater
  • Edgewood
  • Eldersburg
  • Eldorado
  • Elkridge
  • Elkton
  • Ellicott City
  • Elliott
  • Essex
  • Fairlee
  • Fairmount
  • Fallston
  • Federalsburg
  • Ferndale
  • Fishing Creek
  • Fort Meade
  • Frenchtown-Rumbly
  • Friendship
  • Fruitland
  • Galena
  • Galestown
  • Galesville
  • Gambrills
  • Garrison
  • Georgetown
  • Girdletree
  • Glen Burnie
  • Goldsboro
  • Grasonville
  • Greensboro
  • Hampstead
  • Hampton
  • Havre de Grace
  • Hebron
  • Henderson
  • Herald Harbor
  • Highland Beach
  • Hillsboro
  • Huntingtown
  • Hurlock
  • Ilchester
  • Jarrettsville
  • Jessup
  • Jesterville
  • Joppatowne
  • Kennedyville
  • Kent Narrows
  • Kingstown
  • Kingsville
  • Lake Shore
  • Lansdowne
  • Linthicum
  • Lochearn
  • Long Beach
  • Lusby
  • Lutherville
  • Madison
  • Manchester
  • Mardela Springs
  • Marydel
  • Mayo
  • Mays Chapel
  • Middle River
  • Milford Mill
  • Millington
  • Mount Vernon
  • Nanticoke
  • Nanticoke Acres
  • Naval Academy
  • Newark
  • New Windsor
  • North Beach
  • North East
  • Ocean Pines
  • Odenton
  • Overlea
  • Owings
  • Owings Mills
  • Oxford
  • Parkville
  • Parole
  • Parsonsburg
  • Pasadena
  • Perry Hall
  • Perryman
  • Perryville
  • Pikesville
  • Pittsville
  • Pleasant Hills
  • Pocomoke City
  • Port Deposit
  • Powellville
  • Preston
  • Prince Frederick
  • Princess Anne
  • Pylesville
  • Quantico
  • Queen Anne
  • Queenstown
  • Randallstown
  • Reisterstown
  • Ridgely
  • Rising Sun
  • Riva
  • Riverside
  • Riviera Beach
  • Rock Hall
  • Rosedale
  • Rossville
  • St. Leonard
  • St. Michaels
  • Salisbury
  • Secretary
  • Severn
  • Severna Park
  • Shady Side
  • Sharptown
  • Smith Island
  • Snow Hill
  • Solomons
  • Stevensville
  • Stockton
  • Sudlersville
  • Sykesville
  • Taneytown
  • Taylors Island
  • Templeville
  • Tilghman Island
  • Timonium
  • Tolchester
  • Towson
  • Trappe
  • Tyaskin
  • Union Bridge
  • Vienna
  • Waterview
  • West Denton
  • Westminster
  • West Ocean City
  • West Pocomoke
  • Whaleyville
  • Whitehaven
  • White Marsh
  • Willards
  • Williston
  • Woodlawn
  • Worton

443 area code

Timezone: Eastern
Current time: 11:03am
443 is an overlay for area code 410.

667 area code

Timezone: Eastern
Current time: 11:03am
667 is an overlay for area code 410.

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