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Maryland Area Codes

Maryland Area Code Map

Click Here for a Printable Map: Maryland Area Code Map

Each of the 5 area codes in Maryland are listed below. The area code listing below lists area codes in several sections. First, Maryland area codes by city are shown for the largest cities. Next, the list shows Maryland area codes by number. If you still can't find what you are looking for and the searches below do not help, the area code finder on our home page may be what you are looking for.

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: 12:36am
Area code 240 is an overlay area code for area code 301.

301 area code

Timezone: Eastern
Current time: 12:36am
06/01/1997: Area code 240 was created as an overlay to area code 301.
  • Abell
  • Accident
  • Accokeek
  • Adamstown
  • Adelphi
  • Andrews Afb
  • Andrews Air Force Base
  • Annapolis
  • Aquasco
  • Ardmore
  • Ashton
  • Aspen Hill
  • Avenue
  • Avondale
  • Baltimore
  • Barnesville
  • Barton
  • Beachville
  • Beallsville
  • Bel Alton
  • Beltsville
  • Benedict
  • Berwyn
  • Berwyn Heights
  • Bethesda
  • Big Pool
  • Big Spring
  • Bittinger
  • Bladensburg
  • Bloomington
  • Boonsboro
  • Bowie
  • Boyds
  • Braddock Heights
  • Brandywine
  • Brentwood
  • Brinklow
  • Brookeville
  • Brownsville
  • Brunswick
  • Bryans Rd
  • Bryans Road
  • Bryantown
  • Buckeystown
  • Burkittsville
  • Burtonsville
  • Bushwood
  • Cabin John
  • California
  • Callaway
  • Camp Springs
  • Capitol Heights
  • Capitol Heights Po
  • Cascade
  • Cavetown
  • Chaptico
  • Charlotte Hall
  • Cheltenham
  • Cheverly
  • Chevy Chase
  • Chewsville
  • Chillum
  • Citicorp
  • Citicorp (brm)
  • Clarksburg
  • Clear Spring
  • Clements
  • Clinton
  • Cloverly
  • Cobb Island
  • Colesville
  • College Estates
  • College Park
  • Colmar Manor
  • Coltons Point
  • Columbia
  • Compton
  • Comus
  • Corriganville
  • Cottage City
  • Crellin
  • Cresaptown
  • Cumberland
  • Damascus
  • Dameron
  • Darnestown
  • Deer Park
  • Dentsville
  • Derwood
  • Dickerson
  • District Heights
  • Doubs
  • Drayden
  • Eckhart Mines
  • Edgewater
  • Edmonston
  • Ellerslie
  • Emmitsburg
  • Fairmont Heights
  • Fairplay
  • Faulkner
  • Flintstone
  • Forest Heights
  • Forestville
  • Fort Detrick
  • Fort Ritchie
  • Fort Washington
  • Frederick
  • Friendsville
  • Frostburg
  • Ft Washington
  • Funkstown
  • Gaithersburg
  • Gapland
  • Garrett Park
  • Germantown
  • Glen Echo
  • Glenarden
  • Glenmont
  • Glenn Dale
  • Goddard Flight Center
  • Graceham
  • Grantsville
  • Great Mills
  • Green Meadow
  • Greenbelt
  • Hagerstown
  • Hancock
  • Helen
  • Hew
  • Highfield
  • Hillandale
  • Hillcrest Hgts
  • Hllcrst Heights
  • Hollywood
  • Hood College
  • Hughesville
  • Hutton
  • Hyattstown
  • Hyattsville
  • Ijamsville
  • Indian Head
  • Ironsides
  • Issue
  • Jefferson
  • Jennings
  • Keedysville
  • Kensington
  • Kettering
  • Kitzmiller
  • Knoxville
  • La Plata
  • Ladiesburg
  • Lake Linganore
  • Landover
  • Landover Hills
  • Langley Park
  • Lanham
  • Lanham Seabrook
  • Laplata
  • Largo
  • Laurel
  • Lavale
  • Laytonsville
  • Leisure World
  • Leonardtown
  • Lewisdale
  • Lewistown
  • Lex Pk
  • Lexington Park
  • Libertytown
  • Little Orleans
  • Lonaconing
  • Loveville
  • Luke
  • Maddox
  • Marbury
  • Marlboro
  • Marlow Heights
  • Marshall Hall
  • Maryland City
  • Maryland Correctional System
  • Maugansville
  • Mc Henry
  • Mccoole
  • Md City
  • Mechanicsville
  • Middletown
  • Midland
  • Midlothian
  • Mitchellville
  • Mnt Lake Park
  • Monrovia
  • Montgomery Village
  • Montpelier
  • Morganza
  • Morningside
  • Mount Airy
  • Mount Rainier
  • Mount Savage
  • Mount Victoria
  • Mountain Lake Park
  • Mt Lake Park
  • Mt Rainier
  • Myersville
  • N Brentwood
  • N Potomac
  • Nanjemoy
  • National Institute Of Health
  • National Library Of Medicine
  • National Naval Medical Ctr
  • Natl Institute Stds And Tech
  • New Carrollton
  • New Market
  • New Midway
  • Newburg
  • No Brentwood
  • Norbeck
  • North Beach
  • North Bethesda
  • North Brentwood
  • North College Park
  • North Englewood
  • North Potomac
  • Northern
  • Oakland
  • Odenton
  • Oldtown
  • Olney
  • Oxon Hill
  • Palmer Park
  • Park Hall
  • Patuxent River
  • Patuxent River Naval Air Sta
  • Piney Point
  • Piney Pt
  • Pinto
  • Pisgah
  • Point Of Rocks
  • Pomfret
  • Poolesville
  • Port Tobacco
  • Potomac
  • Prince George Plaza
  • Prince Georges Metro Ctr
  • Rawlings
  • Ridge
  • Rison
  • Riverdale
  • Rock Point
  • Rock Pt
  • Rockville
  • Rocky Ridge
  • Rogers Heights
  • Rohrersville
  • Russett
  • S Bowie
  • Sabillasville
  • Saint Charles
  • Saint Inigoes
  • Saint James
  • Saint Marys
  • Saint Marys City
  • Sandy Spring
  • Sang Run
  • Scaggsville
  • Scotland
  • Seabrook
  • Seat Pleasant
  • Shallmar
  • Sharpsburg
  • Silver Hill
  • Silver Spring
  • Smithsburg
  • Somerset
  • South Bowie
  • Southern Md Brmas
  • Southern Md Facility
  • Spencerville
  • Spring Gap
  • Springdale
  • St Inigoes
  • State Farm Ins Co
  • Subn Md Fac
  • Suburb Maryland Fac
  • Suburban Md Brmas
  • Suitland
  • Sunshine
  • Swan Point
  • Swanton
  • Takoma Park
  • Takoma Pk
  • Tall Timbers
  • Temple Hills
  • Thurmont
  • Tuscarora
  • Tuxedo
  • Unionville
  • Unity
  • University Of Maryland
  • University Park
  • Upper Marlboro
  • Upr Marlboro
  • Urbana
  • Valley Lee
  • W Bethesda
  • W Bowie
  • W Hyattsville
  • Waldorf
  • Walkersville
  • Washington Bmc
  • Washington Grove
  • Welcome
  • West Bethesda
  • West Hyattsville
  • Westernport
  • Wheaton
  • White Plains
  • Williamsport
  • Woodsboro

410 area code

Timezone: Eastern
Current time: 12:36am
06/01/1997: Area code 443 was created as an overlay to area code 410.
  • Aberdeen
  • Aberdeen Proving Ground
  • Abingdon
  • All First Bank
  • Allen
  • Annapolis
  • Annapolis Junction
  • Apg
  • Arbutus
  • Arlington
  • Arnold
  • Bainbridge
  • Baldwin
  • Baltimore
  • Baltimore Sunpapers
  • Bancroft Hall
  • Barclay
  • Barstow
  • Bel Air
  • Belcamp
  • Beltsville
  • Benson
  • Bentley Springs
  • Berlin
  • Bethlehem
  • Betterton
  • Beverley Beach
  • Bishop
  • Bishophead
  • Bishops Head
  • Bishopville
  • Bivalve
  • Boring
  • Bozman
  • Bradshaw
  • Brooklandville
  • Brooklyn
  • Brooklyn Park
  • Broomes Island
  • Butler
  • Bwi Airport
  • Cambridge
  • Cape Saint Claire
  • Cardiff
  • Carroll
  • Carrollton
  • Carrolltowne
  • Catonsville
  • Cecilton
  • Centreville
  • Chance
  • Charlestown
  • Chase
  • Chesapeake Beach
  • Chesapeake City
  • Chester
  • Chestertown
  • Childs
  • Church Creek
  • Church Hill
  • Churchton
  • Churchville
  • Claiborne
  • Clarksville
  • Clifton
  • Clifton East End
  • Cockeysville
  • Cockeysville Hunt Valley
  • Colora
  • Columbia
  • Comptroller Of The Treasury
  • Conowingo
  • Cooksville
  • Cordova
  • Crapo
  • Crestar Bank
  • Crisfield
  • Crocheron
  • Crofton
  • Crownsville
  • Crumpton
  • Curtis Bay
  • Dames Quarter
  • Daniels
  • Dares Beach
  • Darlington
  • Davidsonville
  • Dayton
  • Deal Island
  • Deale
  • Delmar
  • Denton
  • Detour
  • Dowell
  • Druid
  • Dundalk
  • Dundalk Sparrows Point
  • Dunkirk
  • Earleville
  • East Case
  • East End
  • East New Market
  • Easton
  • Easton Correctional Inst
  • Eastport
  • Eden
  • Edgewater
  • Edgewater Beach
  • Edgewood
  • Edgewood Arsenal
  • Eldersburg
  • Elk Mills
  • Elkridge
  • Elkton
  • Ellicott
  • Ellicott City
  • Elliott
  • Essex
  • Eudowood
  • Ewell
  • Fairhaven
  • Fallston
  • Federalsburg
  • Finksburg
  • Firms-business Reply
  • Firms-courtesy Reply
  • First Fulfillment And Mgr Co
  • First Union
  • Fishing Creek
  • Forest Hill
  • Fork
  • Fort George G Meade
  • Fort George Meade
  • Fort Howard
  • Fort Meade
  • Fowbelsburg
  • Foxridge
  • Franklin
  • Freeland
  • Friendship
  • Fruitland
  • Ft George G Meade
  • Ft Meade
  • Fulton
  • Gaither
  • Galena
  • Galesville
  • Gambrills
  • Garrison
  • Georgetown
  • Gibson Island
  • Girdletree
  • Glen Arm
  • Glen Burnie
  • Glenburnie
  • Glencoe
  • Glenelg
  • Glenwood
  • Glyndon
  • Goldsboro
  • Golts
  • Govans
  • Granite
  • Grasonville
  • Greenmount
  • Greensboro
  • Gunpowder
  • Gwynn Oak
  • Halethorpe
  • Hamilton
  • Hampden
  • Hampstead
  • Hanover
  • Harmans
  • Harte Hanks Direct Marketing
  • Harwood
  • Havre De Grace
  • Hebron
  • Henderson
  • Henryton
  • Hereford
  • Highland
  • Highland Bch
  • Highlandtown
  • Hillsboro
  • Hoopersville
  • Household Bank
  • Hunt Valley
  • Huntingtown
  • Hurlock
  • Hydes
  • Ilchester
  • Ingleside
  • Jacksonville
  • Jarrettsville
  • Jessup
  • Johns Hopkins Hospital
  • Joppa
  • Joppatown
  • Joppatowne
  • Kennedyville
  • Keymar
  • Kingston
  • Kingsville
  • Lake Shore
  • Lansdowne
  • Laurel
  • Lineboro
  • Linkwood
  • Linthicum
  • Linthicum Heights
  • Linwood
  • Lisbon
  • Loch Raven
  • Loch Raven Village
  • Long Green
  • Lothian
  • Lusby
  • Lutherville
  • Lutherville Timonium
  • Lynch
  • Madison
  • Manchester
  • Manokin
  • Mardela
  • Mardela Springs
  • Marion
  • Marion Station
  • Marriottsville
  • Marydel
  • Maryland Line
  • Maryland Motor Vehicle Admin
  • Massey
  • Mayo
  • Mcdaniel
  • Mcdonogh Run
  • Middle River
  • Middleburg
  • Millers
  • Millersville
  • Millington
  • Monkton
  • Morgan State University
  • Morrell Park
  • Mount Airy
  • Mount Washington
  • Mt Washington
  • N Beach
  • Nanticoke
  • Nationwide Fulfill Systems
  • Naval Academy
  • Neavitt
  • New Windsor
  • Newark
  • Newcomb
  • North Beach
  • North East
  • North Ocean City
  • Northeast
  • Northwood
  • Nottingham
  • Ocean City
  • Ocean Pnes
  • Odenton
  • Oella
  • Orchard Beach
  • Oriole
  • Owings
  • Owings Mills
  • Oxford
  • Parkton
  • Parkville
  • Parsonsburg
  • Pasadena
  • Patapsco
  • Patterson
  • Pdp Group Inc
  • Perry Hall
  • Perry Point
  • Perryhall
  • Perryman
  • Perryville
  • Phoenix
  • Pikesville
  • Pikesville Finance
  • Pittsville
  • Pocomoke
  • Pocomoke City
  • Port Deposit
  • Port Republic
  • Postmaster-official
  • Powellville
  • Pr Frederick
  • Preston
  • Price
  • Prince Frederick
  • Princess Anne
  • Pylesville
  • Quantico
  • Queen Anne
  • Queenstown
  • Randallstown
  • Raspeburg
  • Rehobeth
  • Reisterstown
  • Reisterstown Rd Plaza
  • Rhodes Point
  • Rhodesdale
  • Riderwood
  • Ridgely
  • Rising Sun
  • Riva
  • Riverside
  • Riviera Beach
  • Rock Hall
  • Roland Park
  • Rosedale
  • Royal Oak
  • Rumbley
  • Ruxton
  • Saint Leonard
  • Saint Michaels
  • Salem
  • Salisbury
  • Savage
  • Secretary
  • Severn
  • Severna Park
  • Shady Side
  • Shared Firm Zip Code
  • Sharptown
  • Sherwood
  • Sherwood Forest
  • Showell
  • Simpsonville
  • Snow Hill
  • Social Security Admin
  • Social Security Administrat
  • Solomons
  • South
  • Southeast Finance
  • Sparks
  • Sparks Glencoe
  • Sparrows Point
  • St Leonard
  • Stevenson
  • Stevensville
  • Still Pond
  • Stockton
  • Street
  • Sudlersville
  • Sunderland
  • Sykesville
  • T Rowe Price Associates Inc
  • Taneytown
  • Taylors Island
  • Templeville
  • Tilghman
  • Timonium
  • Toddville
  • Towson
  • Towson Finance
  • Towson State University
  • Tracys Landing
  • Trappe
  • Tyaskin
  • Tylerton
  • Union Bridge
  • Univ Of Md Baltimore County
  • Upper Fairmount
  • Upper Falls
  • Upper Hill
  • Upperco
  • Usa Fulfillment
  • Verizon Telephone
  • Vienna
  • Walbrook
  • Warwick
  • Waverly
  • Wenona
  • West Case
  • West Friendship
  • West Ocean City
  • West River
  • Westminster
  • Westover
  • Westover Correctional Fac
  • Whaleyville
  • White Hall
  • White Marsh
  • Whiteford
  • Whitehaven
  • Willards
  • Windsor Mill
  • Wingate
  • Wittman
  • Woodbine
  • Woodlawn
  • Woodstock
  • Woolford
  • Worton
  • Wye Mills

443 area code

Timezone: Eastern
Current time: 12:36am
03/24/2012: Area code 667 was created as an overlay to area code 443.
Area code 443 is an overlay area code for area code 410.

667 area code

Timezone: Eastern
Current time: 12:36am
Area code 667 is an overlay area code for area code 443.