Phone
Instant Phone Lookup

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

Maryland Area Codes

Each of the 4 area codes in Maryland are listed below. The Maryland area code listing below lists area codes in several sections. First, MD area codes by city are shown for the largest cities in Maryland. 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.

Maryland Area Code Map


Click Here for a Printable Map: Maryland Area Code Map

MD Area Codes for the Largest Cities


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

Cities within each Maryland Area Code


240 area code

240 area code timezone:
Eastern

Current time in area code 240:
7:50pm

Area code 240 map

Top

Area code 240 is an overlay area code for area code 301. The two area codes serve the same area.

301 area code

301 area code timezone:
Eastern

Current time in area code 301:
7:50pm

6/1/1997: Area code 240 was created as an overlay to area code 301. The two area codes serve the same area.


Area code 301 map

Top

  • 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

410 area code timezone:
Eastern

Current time in area code 410:
7:50pm

6/1/1997: Area code 443 was created as an overlay to area code 410. The two area codes serve the same area.


Area code 410 map

Top

  • 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

443 area code timezone:
Eastern

Current time in area code 443:
7:50pm

Area code 443 map

Top

Area code 443 is an overlay area code for area code 410. The two area codes serve the same area.

Search by City:

Area Codes by Number

200s
300s
400s
500s
600s
700s
800s
900s