Maryland ZIP codes
Maryland has 605 ZIP codes (20588–21930) across 431 cities and towns and 24 counties.
- ZIP codes
- 605
- With delivery area
- 477
- Population in ZIPs
- 6,205,597
- Cities & towns
- 431
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Richest ZIP codes in Maryland Most expensive ZIP codes
Zoom in to see ZIP code boundaries. Click a dot to open a ZIP code, or anywhere else to see which ZIP it's in.
Largest cities in Maryland
- Baltimore (42)
- Silver Spring (16)
- Hyattsville (7)
- Frederick (6)
- Rockville (8)
- Gaithersburg (9)
- Laurel (7)
- Upper Marlboro (5)
- Bowie (7)
- Hagerstown (6)
- Columbia (3)
- Glen Burnie (3)
- Annapolis (8)
- Ellicott City (3)
- Germantown (3)
- Bethesda (11)
- Waldorf (4)
- Salisbury (4)
- Bel Air (2)
- Parkville (1)
- Owings Mills (1)
- Pasadena (2)
- Westminster (2)
- Dundalk (1)
Maryland ZIP codes by county
- Allegany County (22)
- Anne Arundel County (48)
- Baltimore County (66)
- Baltimore city (50)
- Calvert County (15)
- Caroline County (12)
- Carroll County (16)
- Cecil County (17)
- Charles County (28)
- Dorchester County (19)
- Frederick County (39)
- Garrett County (13)
- Harford County (25)
- Howard County (29)
- Kent County (9)
- Montgomery County (81)
- Prince George's County (68)
- Queen Anne's County (18)
- Somerset County (13)
- St. Mary's County (29)
- Talbot County (16)
- Washington County (26)
- Wicomico County (19)
- Worcester County (13)
Most populated Maryland ZIP codes
All Maryland cities and towns
- Abell
- Aberdeen
- Aberdeen Proving Ground
- Abingdon
- Accident
- Accokeek
- Adamstown
- Allen
- Andrews Air Force Base
- Annapolis
- Annapolis Junction
- Aquasco
- Arnold
- Ashton
- Avenue
- Baldwin
- Baltimore
- Barclay
- Barnesville
- Barstow
- Barton
- Beallsville
- Bel Air
- Bel Alton
- Belcamp
- Beltsville
- Benedict
- Benson
- Berlin
- Bethesda
- Bethlehem
- Betterton
- Big Pool
- Bishopville
- Bittinger
- Bivalve
- Bladensburg
- Bloomington
- Boonsboro
- Boring
- Bowie
- Boyds
- Bozman
- Braddock Heights
- Brandywine
- Brentwood
- Brinklow
- Brookeville
- Brooklandville
- Brooklyn
- Broomes Island
- Brownsville
- Brunswick
- Bryans Road
- Bryantown
- Buckeystown
- Burkittsville
- Burtonsville
- Bushwood
- Butler
- Cabin John
- California
- Callaway
- Cambridge
- Capitol Heights
- Cascade
- Catonsville
- Cavetown
- Cecilton
- Centreville
- Chaptico
- Charlestown
- Charlotte Hall
- Chase
- Cheltenham
- Chesapeake Beach
- Chesapeake City
- Chester
- Chestertown
- Chevy Chase
- Chewsville
- Childs
- Church Creek
- Church Hill
- Churchton
- Churchville
- Claiborne
- Clarksburg
- Clarksville
- Clear Spring
- Clements
- Clinton
- Cobb Island
- Cockeysville
- College Park
- Colora
- Coltons Point
- Columbia
- Compton
- Conowingo
- Cooksville
- Cordova
- Corriganville
- Crapo
- Crisfield
- Crocheron
- Crofton
- Crownsville
- Crumpton
- Cumberland
- Curtis Bay
- Damascus
- Dameron
- Darlington
- Davidsonville
- Dayton
- Deal Island
- Deale
- Delmar
- Denton
- Derwood
- Dhs
- Dickerson
- District Heights
- Dowell
- Drayden
- Dundalk
- Dunkirk
- Earleville
- East New Market
- Easton
- Eckhart Mines
- Eden
- Edgewater
- Edgewood
- Elk Mills
- Elkridge
- Elkton
- Ellerslie
- Ellicott City
- Emmitsburg
- Essex
- Ewell
- Fairplay
- Fallston
- Faulkner
- Federalsburg
- Finksburg
- Fishing Creek
- Flintstone
- Forest Hill
- Fork
- Fort George G Meade
- Fort Howard
- Fort Washington
- Frederick
- Freeland
- Friendship
- Friendsville
- Frostburg
- Fruitland
- Fulton
- Funkstown
- Gaithersburg
- Galena
- Galesville
- Gambrills
- Garrett Park
- Georgetown
- Germantown
- Gibson Island
- Girdletree
- Glen Arm
- Glen Burnie
- Glen Echo
- Glenelg
- Glenn Dale
- Glenwood
- Glyndon
- Goldsboro
- Grantsville
- Grasonville
- Great Mills
- Greenbelt
- Greensboro
- Gunpowder
- Gwynn Oak
- Hagerstown
- Halethorpe
- Hampstead
- Hancock
- Hanover
- Harmans
- Harwood
- Havre De Grace
- Hebron
- Helen
- Henderson
- Highland
- Hillsboro
- Hollywood
- Hughesville
- Hunt Valley
- Huntingtown
- Hurlock
- Hyattsville
- Hydes
- Ijamsville
- Indian Head
- Ingleside
- Ironsides
- Issue
- Jarrettsville
- Jefferson
- Jessup
- Joppa
- Keedysville
- Kennedyville
- Kensington
- Keymar
- Kingsville
- Kitzmiller
- Knoxville
- La Plata
- Ladiesburg
- Lanham
- Laurel
- Leonardtown
- Lexington Park
- Libertytown
- Lineboro
- Linkwood
- Linthicum Heights
- Lisbon
- Little Orleans
- Lonaconing
- Long Green
- Lothian
- Loveville
- Luke
- Lusby
- Lutherville Timonium
- Madison
- Manchester
- Manokin
- Marbury
- Mardela Springs
- Marion Station
- Marriottsville
- Marydel
- Maryland Line
- Massey
- Maugansville
- Mayo
- Mc Henry
- Mcdaniel
- Mechanicsville
- Middle River
- Middletown
- Midland
- Midlothian
- Millersville
- Millington
- Monkton
- Monrovia
- Montgomery Village
- Morganza
- Mount Airy
- Mount Rainier
- Mount Savage
- Mount Victoria
- Myersville
- Nanjemoy
- Nanticoke
- Neavitt
- New Market
- New Midway
- New Windsor
- Newark
- Newburg
- Newcomb
- North Beach
- North East
- Nottingham
- Oakland
- Ocean City
- Odenton
- Oldtown
- Olney
- Owings
- Owings Mills
- Oxford
- Oxon Hill
- Park Hall
- Parkton
- Parkville
- Parsonsburg
- Pasadena
- Patuxent River
- Perry Hall
- Perry Point
- Perryman
- Perryville
- Phoenix
- Pikesville
- Piney Point
- Pinto
- Pittsville
- Pocomoke City
- Point Of Rocks
- Pomfret
- Poolesville
- Port Deposit
- Port Republic
- Port Tobacco
- Potomac
- Powellville
- Preston
- Price
- Prince Frederick
- Princess Anne
- Pylesville
- Quantico
- Queen Anne
- Queenstown
- Randallstown
- Rawlings
- Rehobeth
- Reisterstown
- Rhodesdale
- Riderwood
- Ridge
- Ridgely
- Rising Sun
- Riva
- Riverdale
- Rock Hall
- Rock Point
- Rockville
- Rocky Ridge
- Rohrersville
- Rosedale
- Royal Oak
- Sabillasville
- Saint Inigoes
- Saint James
- Saint Leonard
- Saint Marys City
- Saint Michaels
- Salisbury
- Sandy Spring
- Savage
- Scotland
- Secretary
- Severn
- Severna Park
- Shady Side
- Sharpsburg
- Sharptown
- Sherwood
- Showell
- Silver Spring
- Simpsonville
- Smithsburg
- Snow Hill
- Solomons
- Southern Md Facility
- Sparks Glencoe
- Sparrows Point
- Spencerville
- Spring Gap
- Stevenson
- Stevensville
- Still Pond
- Stockton
- Street
- Suburb Maryland Fac
- Sudlersville
- Suitland
- Sunderland
- Swanton
- Sykesville
- Takoma Park
- Tall Timbers
- Taneytown
- Taylors Island
- Temple Hills
- Templeville
- Thurmont
- Tilghman
- Toddville
- Towson
- Tracys Landing
- Trappe
- Tuscarora
- Tyaskin
- Tylerton
- Union Bridge
- Unionville
- Upper Fairmount
- Upper Falls
- Upper Marlboro
- Upperco
- Valley Lee
- Vienna
- Waldorf
- Walkersville
- Warwick
- Washington Grove
- Welcome
- West Friendship
- West River
- Westernport
- Westminster
- Westover
- Whaleyville
- White Hall
- White Marsh
- White Plains
- Whiteford
- Willards
- Williamsport
- Windsor Mill
- Wingate
- Wittman
- Woodbine
- Woodsboro
- Woodstock
- Woolford
- Worton
- Wye Mills
Frequently asked questions
How many ZIP codes are in Maryland?
Maryland has 605 ZIP codes: 477 with a delivery area and 128 PO Box or single-organization ZIP codes.
What ZIP codes does Maryland use?
Maryland ZIP codes run from 20588 to 21930.
Which Maryland ZIP code has the most people?
ZIP code 20906 in Silver Spring has the largest population, about 70,595 residents (ACS 2020–2024).