On this page, you can find a list of all zip codes in area code 301. What is a ZIP Code? A ZIP code is a term used to describe the postal code system in the United States. ZIP is the abbreviation of Zonal Improvement plan.

us area code

The ZIP code was created in 1963 as a measure to increase mail sorting efficiency. The standard ZIP code notation used by the United States Postal service uses five digits to identify a delivery area. The first three digits refer to a sectional center facility (or SCF), which is a network of super post offices. The last two numbers designate the specific post office within an SCF’s territory. Through a ZIP code, one can identify the location now. If you’re looking for contact information in the USA, it’s helpful to know the zip codes.

ZIP Code by Area Code 301

ZIP CodeCityState
20588DHSMD
20601WALDORFMD
20602WALDORFMD
20603WALDORFMD
20604WALDORFMD
20606ABELLMD
20607ACCOKEEKMD
20608AQUASCOMD
20609AVENUEMD
20611BEL ALTONMD
20613BRANDYWINEMD
20616BRYANS ROADMD
20617BRYANTOWNMD
20618BUSHWOODMD
20619CALIFORNIAMD
20620CALLAWAYMD
20621CHAPTICOMD
20623CHELTENHAMMD
20624CLEMENTSMD
20625COBB ISLANDMD
20626COLTONS POINTMD
20627COMPTONMD
20628DAMERONMD
20630DRAYDENMD
20634GREAT MILLSMD
20635HELENMD
20636HOLLYWOODMD
20640INDIAN HEADMD
20643IRONSIDESMD
20645ISSUEMD
20646LA PLATAMD
20650LEONARDTOWNMD
20653LEXINGTON PARKMD
20656LOVEVILLEMD
20658MARBURYMD
20659MECHANICSVILLEMD
20660MORGANZAMD
20661MOUNT VICTORIAMD
20662NANJEMOYMD
20664NEWBURGMD
20667PARK HALLMD
20670PATUXENT RIVERMD
20674PINEY POINTMD
20675POMFRETMD
20677PORT TOBACCOMD
20680RIDGEMD
20682ROCK POINTMD
20684SAINT INIGOESMD
20686SAINT MARYS CITYMD
20687SCOTLANDMD
20690TALL TIMBERSMD
20692VALLEY LEEMD
20693WELCOMEMD
20695WHITE PLAINSMD
20697SOUTHERN MD FACILITYMD
20703LANHAMMD
20704BELTSVILLEMD
20705BELTSVILLEMD
20706LANHAMMD
20707LAURELMD
20708LAURELMD
20709LAURELMD
20710BLADENSBURGMD
20711LOTHIANMD
20712MOUNT RAINIERMD
20714NORTH BEACHMD
20715BOWIEMD
20716BOWIEMD
20717BOWIEMD
20718BOWIEMD
20719BOWIEMD
20720BOWIEMD
20721BOWIEMD
20722BRENTWOODMD
20723LAURELMD
20724LAURELMD
20725LAURELMD
20726LAURELMD
20731CAPITOL HEIGHTSMD
20735CLINTONMD
20737RIVERDALEMD
20738RIVERDALEMD
20740COLLEGE PARKMD
20741COLLEGE PARKMD
20742COLLEGE PARKMD
20743CAPITOL HEIGHTSMD
20744FORT WASHINGTONMD
20745OXON HILLMD
20746SUITLANDMD
20747DISTRICT HEIGHTSMD
20748TEMPLE HILLSMD
20749FORT WASHINGTONMD
20750OXON HILLMD
20752SUITLANDMD
20753DISTRICT HEIGHTSMD
20755FORT GEORGE G MEADEMD
20757TEMPLE HILLSMD
20762ANDREWS AIR FORCE BASEMD
20768GREENBELTMD
20769GLENN DALEMD
20770GREENBELTMD
20771GREENBELTMD
20772UPPER MARLBOROMD
20773UPPER MARLBOROMD
20774UPPER MARLBOROMD
20775UPPER MARLBOROMD
20781HYATTSVILLEMD
20782HYATTSVILLEMD
20783HYATTSVILLEMD
20784HYATTSVILLEMD
20785HYATTSVILLEMD
20787HYATTSVILLEMD
20788HYATTSVILLEMD
20790CAPITOL HEIGHTSMD
20791CAPITOL HEIGHTSMD
20792UPPER MARLBOROMD
20797SOUTHERN MD FACILITYMD
20799CAPITOL HEIGHTSMD
20810BETHESDAMD
20811BETHESDAMD
20812GLEN ECHOMD
20813BETHESDAMD
20814BETHESDAMD
20815CHEVY CHASEMD
20816BETHESDAMD
20817BETHESDAMD
20818CABIN JOHNMD
20824BETHESDAMD
20825CHEVY CHASEMD
20827BETHESDAMD
20830OLNEYMD
20832OLNEYMD
20833BROOKEVILLEMD
20837POOLESVILLEMD
20838BARNESVILLEMD
20839BEALLSVILLEMD
20841BOYDSMD
20842DICKERSONMD
20847ROCKVILLEMD
20848ROCKVILLEMD
20849ROCKVILLEMD
20850ROCKVILLEMD
20851ROCKVILLEMD
20852ROCKVILLEMD
20853ROCKVILLEMD
20854POTOMACMD
20855DERWOODMD
20857ROCKVILLEMD
20859POTOMACMD
20860SANDY SPRINGMD
20861ASHTONMD
20862BRINKLOWMD
20866BURTONSVILLEMD
20868SPENCERVILLEMD
20871CLARKSBURGMD
20872DAMASCUSMD
20874GERMANTOWNMD
20875GERMANTOWNMD
20876GERMANTOWNMD
20877GAITHERSBURGMD
20878GAITHERSBURGMD
20879GAITHERSBURGMD
20880WASHINGTON GROVEMD
20882GAITHERSBURGMD
20883GAITHERSBURGMD
20884GAITHERSBURGMD
20885GAITHERSBURGMD
20886MONTGOMERY VILLAGEMD
20889BETHESDAMD
20891KENSINGTONMD
20892BETHESDAMD
20894BETHESDAMD
20895KENSINGTONMD
20896GARRETT PARKMD
20897SUBURB MARYLAND FACMD
20898GAITHERSBURGMD
20899GAITHERSBURGMD
20901SILVER SPRINGMD
20902SILVER SPRINGMD
20903SILVER SPRINGMD
20904SILVER SPRINGMD
20905SILVER SPRINGMD
20906SILVER SPRINGMD
20907SILVER SPRINGMD
20908SILVER SPRINGMD
20910SILVER SPRINGMD
20911SILVER SPRINGMD
20912TAKOMA PARKMD
20913TAKOMA PARKMD
20914SILVER SPRINGMD
20915SILVER SPRINGMD
20916SILVER SPRINGMD
20918SILVER SPRINGMD
20993SILVER SPRINGMD
20997SILVER SPRINGMD
21035DAVIDSONVILLEMD
21037EDGEWATERMD
21044COLUMBIAMD
21045COLUMBIAMD
21046COLUMBIAMD
21106MAYOMD
21140RIVAMD
21150SIMPSONVILLEMD
21501CUMBERLANDMD
21502CUMBERLANDMD
21503CUMBERLANDMD
21504CUMBERLANDMD
21505CUMBERLANDMD
21520ACCIDENTMD
21521BARTONMD
21522BITTINGERMD
21523BLOOMINGTONMD
21524CORRIGANVILLEMD
21528ECKHART MINESMD
21529ELLERSLIEMD
21531FRIENDSVILLEMD
21532FROSTBURGMD
21536GRANTSVILLEMD
21538KITZMILLERMD
21539LONACONINGMD
21540LUKEMD
21541MC HENRYMD
21542MIDLANDMD
21543MIDLOTHIANMD
21545MOUNT SAVAGEMD
21550OAKLANDMD
21555OLDTOWNMD
21556PINTOMD
21557RAWLINGSMD
21560SPRING GAPMD
21561SWANTONMD
21562WESTERNPORTMD
21701FREDERICKMD
21702FREDERICKMD
21703FREDERICKMD
21704FREDERICKMD
21705FREDERICKMD
21709FREDERICKMD
21710ADAMSTOWNMD
21711BIG POOLMD
21713BOONSBOROMD
21714BRADDOCK HEIGHTSMD
21715BROWNSVILLEMD
21716BRUNSWICKMD
21717BUCKEYSTOWNMD
21718BURKITTSVILLEMD
21719CASCADEMD
21720CAVETOWNMD
21721CHEWSVILLEMD
21722CLEAR SPRINGMD
21727EMMITSBURGMD
21733FAIRPLAYMD
21734FUNKSTOWNMD
21740HAGERSTOWNMD
21741HAGERSTOWNMD
21742HAGERSTOWNMD
21746HAGERSTOWNMD
21747HAGERSTOWNMD
21749HAGERSTOWNMD
21750HANCOCKMD
21755JEFFERSONMD
21756KEEDYSVILLEMD
21758KNOXVILLEMD
21759LADIESBURGMD
21762LIBERTYTOWNMD
21767MAUGANSVILLEMD
21769MIDDLETOWNMD
21770MONROVIAMD
21771MOUNT AIRYMD
21773MYERSVILLEMD
21774NEW MARKETMD
21775NEW MIDWAYMD
21777POINT OF ROCKSMD
21778ROCKY RIDGEMD
21779ROHRERSVILLEMD
21780SABILLASVILLEMD
21781SAINT JAMESMD
21782SHARPSBURGMD
21783SMITHSBURGMD
21788THURMONTMD
21790TUSCARORAMD
21792UNIONVILLEMD
21793WALKERSVILLEMD
21795WILLIAMSPORTMD
21798WOODSBOROMD