20701StandardAnnapolis Junction, Annapolis JctAnne Arundel CountyArea Code 301
20707StandardLaurelPrince George’s CountyArea Code 240
Area Code 301
Area Code 410
20708StandardLaurel, MontpelierPrince George’s CountyArea Code 301
Area Code 240
Area Code 410
Area Code 443
20709PO BoxLaurel, MontpelierPrince George’s CountyArea Code 301
Area Code 202
Area Code 410
20715StandardBowiePrince George’s CountyArea Code 301
Area Code 410
20716StandardBowie, MitchellvillePrince George’s CountyArea Code 301
Area Code 410
20717PO BoxBowie, MitchellvillePrince George’s CountyArea Code 301
20718PO BoxBowiePrince George’s CountyArea Code 301
20719PO BoxBowiePrince George’s CountyArea Code 240
20720StandardBowiePrince George’s CountyArea Code 301
Area Code 410
Area Code 240
20721StandardBowie, MitchellvillePrince George’s CountyArea Code 301
Area Code 202
Area Code 240
Area Code 410
20722StandardBrentwood, Colmar Manor, Cottage City, N Brentwood,…Prince George’s CountyArea Code 301
Area Code 240
20723StandardLaurel, ScaggsvilleHoward CountyArea Code 240
Area Code 301
Area Code 410
Area Code 443
20724StandardLaurel, Maryland City, Md City, RussettAnne Arundel CountyArea Code 301
20725PO BoxLaurelPrince George’s CountyArea Code 410
20726PO BoxLaurelPrince George’s CountyArea Code 240
20731PO BoxCapitol Heights, Capitol HgtsPrince George’s CountyArea Code 240
20741PO BoxCollege ParkPrince George’s CountyArea Code 301
20742UniqueCollege ParkPrince George’s CountyArea Code 301
20755StandardFort George G Meade, Fort MeadeAnne Arundel CountyArea Code 301
Area Code 410
20759StandardFultonHoward CountyArea Code 410
Area Code 301
20763StandardSavageHoward CountyArea Code 301
Area Code 410
Area Code 240
Area Code 443
20764StandardShady SideAnne Arundel CountyArea Code 301
Area Code 410
Area Code 240
20794StandardJessupHoward CountyArea Code 301
Area Code 410
Area Code 443
Area Code 240
20799UniqueCapitol Heights, Capitol HgtsPrince George’s CountyArea Code 240
20810UniqueBethesdaMontgomery CountyArea Code 240
20811UniqueBethesdaMontgomery CountyArea Code 240
     
20813PO BoxBethesdaMontgomery CountyArea Code 240
Area Code 301
20814StandardBethesdaMontgomery CountyArea Code 202
Area Code 240
Area Code 301
20815StandardChevy Chase, Bethesda, Chevy Chase Village, Chevy Chs…Montgomery CountyArea Code 240
Area Code 301
20816StandardBethesdaMontgomery CountyArea Code 301
Area Code 202
Area Code 240
20817StandardBethesda, WestlakeMontgomery CountyArea Code 301
Area Code 240
Area Code 202
20818StandardCabin JohnMontgomery CountyArea Code 301
20824PO BoxBethesdaMontgomery CountyArea Code 240
20825PO BoxChevy Chase, BethesdaMontgomery CountyArea Code 240
20827PO BoxBethesda, W Bethesda, WestlakeMontgomery CountyArea Code 240
20830PO BoxOlneyMontgomery CountyArea Code 301
20832StandardOlneyMontgomery CountyArea Code 301
20833StandardBrookevilleMontgomery CountyArea Code 301
20837StandardPoolesvilleMontgomery CountyArea Code 301
Area Code 240
20838StandardBarnesvilleMontgomery CountyArea Code 301
20839StandardBeallsvilleMontgomery CountyArea Code 301
20841StandardBoydsMontgomery CountyArea Code 301
20842StandardDickersonMontgomery CountyArea Code 301
20847PO BoxRockvilleMontgomery CountyArea Code 240
20848PO BoxRockvilleMontgomery CountyArea Code 240
20849PO BoxRockvilleMontgomery CountyArea Code 240
20850StandardRockvilleMontgomery CountyArea Code 240
Area Code 301
Area Code 410
Area Code 202
20851StandardRockvilleMontgomery CountyArea Code 301
Area Code 240
20852StandardRockville, N Bethesda, North BethesdaMontgomery CountyArea Code 240
Area Code 301
Area Code 703
20853StandardRockvilleMontgomery CountyArea Code 301
Area Code 240
20854StandardPotomac, RockvilleMontgomery CountyArea Code 240
Area Code 301
20855StandardDerwood, RockvilleMontgomery CountyArea Code 301
Area Code 240
20857UniqueRockvilleMontgomery CountyArea Code 301
20859PO BoxPotomac, RockvilleMontgomery CountyArea Code 301
20860StandardSandy SpringMontgomery CountyArea Code 301
Area Code 240
20878StandardGaithersburg, Darnestown, N Potomac, No Potomac, North…Montgomery CountyArea Code 301
Area Code 240
Area Code 202
20879StandardGaithersburg, Laytonsville, Montgomery Village, Montgo…Montgomery CountyArea Code 301
Area Code 240
20880PO BoxWashington Grove, Washingtn GrvMontgomery CountyArea Code 301
20882StandardGaithersburg, LaytonsvilleMontgomery CountyArea Code 240
Area Code 301
20883PO BoxGaithersburgMontgomery CountyArea Code 240
20884PO BoxGaithersburgMontgomery CountyArea Code 240
20885PO BoxGaithersburgMontgomery CountyArea Code 202
Area Code 240
20886StandardMontgomery Village, Gaithersburg, Montgomry VlgMontgomery CountyArea Code 240
Area Code 301
20889UniqueBethesdaMontgomery CountyArea Code 301
Area Code 202
20891PO BoxKensingtonMontgomery CountyArea Code 240
20892UniqueBethesdaMontgomery CountyArea Code 301
20894UniqueBethesdaMontgomery CountyArea Code 240
20895StandardKensingtonMontgomery CountyArea Code 240
Area Code 301
20896PO BoxGarrett ParkMontgomery CountyArea Code 301
20897UniqueSuburb Maryland Fac, Subn Md FacMontgomery CountyArea Code 240
20898PO BoxGaithersburgMontgomery CountyArea Code 240
20899UniqueGaithersburgMontgomery CountyArea Code 240
20901StandardSilver Spring, Takoma ParkMontgomery CountyArea Code 301
Area Code 240
Area Code 410
20902StandardSilver Spring, WheatonMontgomery CountyArea Code 301
Area Code 240
Area Code 410
20903StandardSilver SpringMontgomery CountyArea Code 410
Area Code 301
20904StandardSilver Spring, ColesvilleMontgomery CountyArea Code 202
Area Code 240
Area Code 301
Area Code 703
Area Code 410
20905StandardSilver Spring, ColesvilleMontgomery CountyArea Code 301
Area Code 202
Area Code 410
20906StandardSilver Spring, Aspen HillMontgomery CountyArea Code 240
Area Code 301
Area Code 410
20907PO BoxSilver SpringMontgomery CountyArea Code 301
20908PO BoxSilver SpringMontgomery CountyArea Code 240
20910StandardSilver SpringMontgomery CountyArea Code 240
Area Code 301
Area Code 202
20911PO BoxSilver SpringMontgomery CountyArea Code 240
20912StandardTakoma Park, Silver SpringMontgomery CountyArea Code 301
Area Code 240
20913PO BoxTakoma Park, Silver SpringMontgomery CountyArea Code 240
20914PO BoxSilver Spring, ColesvilleMontgomery CountyArea Code 240
20915PO BoxSilver Spring, WheatonMontgomery CountyArea Code 240
20916PO BoxSilver Spring, Aspen HillMontgomery CountyArea Code 240
20918PO BoxSilver SpringMontgomery CountyArea Code 240
20993UniqueSilver SpringMontgomery CountyArea Code 240
20997UniqueSilver SpringMontgomery CountyArea Code 240
21001StandardAberdeenHarford CountyArea Code 443
Area Code 410
21005StandardAberdeen Proving Ground, Aber Prov GrdHarford CountyArea Code 410
Area Code 202
Area Code 443
21009StandardAbingdonHarford CountyArea Code 443
Area Code 410
21010StandardGunpowder, Aber Prov Grd, Aberdeen Proving GroundHarford CountyArea Code 410
21012StandardArnoldAnne Arundel CountyArea Code 410
Area Code 301
21013StandardBaldwinBaltimore CountyArea Code 410
21014StandardBel AirHarford CountyArea Code 410
Area Code 443
21015StandardBel AirHarford CountyArea Code 410
Area Code 443
21017StandardBelcampHarford CountyArea Code 410
21018PO BoxBensonHarford CountyArea Code 410
21020PO BoxBoringBaltimore CountyArea Code 410
21022PO BoxBrooklandville, BrooklandvlBaltimore CountyArea Code 410
21023PO BoxButlerBaltimore CountyArea Code 410
21027PO BoxChaseBaltimore CountyArea Code 410
21028StandardChurchvilleHarford CountyArea Code 410
Area Code 443
21029StandardClarksvilleHoward CountyArea Code 301
Area Code 443
Area Code 410
21030StandardCockeysville, Cockysvil, Hunt ValleyBaltimore CountyArea Code 410
Area Code 443
21031StandardHunt ValleyBaltimore CountyArea Code 410
Area Code 443
21032StandardCrownsvilleAnne Arundel CountyArea Code 410
Area Code 443
Area Code 301
21034StandardDarlingtonHarford CountyArea Code 443
Area Code 410
21035StandardDavidsonvilleAnne Arundel CountyArea Code 301
Area Code 410
Area Code 443
21036StandardDaytonHoward CountyArea Code 410
Area Code 443
Area Code 301
21037StandardEdgewaterAnne Arundel CountyArea Code 410
Area Code 443
Area Code 301
21040StandardEdgewoodHarford CountyArea Code 410
Area Code 443
21041PO BoxEllicott CityHoward CountyArea Code 410
21042StandardEllicott CityHoward CountyArea Code 410
21043StandardEllicott City, Daniels, Ilchester, OellaHoward CountyArea Code 202
Area Code 410
Area Code 443
Area Code 301
21044StandardColumbiaHoward CountyArea Code 410
Area Code 443
Area Code 301
21045StandardColumbiaHoward CountyArea Code 301
Area Code 410
Area Code 443
Area Code 240
21046StandardColumbiaHoward CountyArea Code 410
Area Code 443
Area Code 301
Area Code 240
21047StandardFallstonHarford CountyArea Code 410
Area Code 443
21048StandardFinksburg, PatapscoCarroll CountyArea Code 410
Area Code 443
21050StandardForest HillHarford CountyArea Code 410
Area Code 443
21051StandardForkBaltimore CountyArea Code 410
Area Code 443
21052PO BoxFort HowardBaltimore CountyArea Code 410
21053StandardFreelandBaltimore CountyArea Code 410
21054StandardGambrillsAnne Arundel CountyArea Code 301
Area Code 410
21056PO BoxGibson IslandAnne Arundel CountyArea Code 410
21057StandardGlen ArmBaltimore CountyArea Code 410
21060StandardGlen BurnieAnne Arundel CountyArea Code 410
Area Code 443
Area Code 301
21061StandardGlen BurnieAnne Arundel CountyArea Code 410
Area Code 443
Area Code 301
21062UniqueGlen BurnieAnne Arundel CountyArea Code 410
21065UniqueHunt Valley, Cockys Ht VlyBaltimore CountyArea Code 410
21071PO BoxGlyndonBaltimore CountyArea Code 410
Area Code 443
21074StandardHampstead, GreenmountCarroll CountyArea Code 410
Area Code 443
21075StandardElkridgeHoward CountyArea Code 410
Area Code 443
Area Code 301
Area Code 240
21076StandardHanoverAnne Arundel CountyArea Code 410
Area Code 443
21077StandardHarmansAnne Arundel CountyArea Code 410
21078StandardHavre De Grace, Hvre De GraceHarford CountyArea Code 443
Area Code 410
21082StandardHydesBaltimore CountyArea Code 410
21084StandardJarrettsvilleHarford CountyArea Code 410
Area Code 443
21085StandardJoppaHarford CountyArea Code 410
Area Code 443
21087StandardKingsville, BradshawBaltimore CountyArea Code 443
Area Code 410
21088PO BoxLineboro, ManchesterCarroll CountyArea Code 410
21090StandardLinthicum Heights, Linthicum, Linthicum HtsAnne Arundel CountyArea Code 410
Area Code 202
Area Code 443
21092PO BoxLong GreenBaltimore CountyArea Code 410
21093StandardLutherville Timonium, Lutherville, Luthvle Timon, TimoniumBaltimore CountyArea Code 410
Area Code 443
21094PO BoxLutherville Timonium, Lutherville, Luthvle Timon, TimoniumBaltimore CountyArea Code 410
21098UniqueHanover, Household BankAnne Arundel CountyArea Code 410
21102StandardManchester, Lineboro, MillersCarroll CountyArea Code 443
Area Code 410
21104StandardMarriottsville, Marriottsvl, WoodstockHoward CountyArea Code 443
Area Code 410
21105PO BoxMaryland LineBaltimore CountyArea Code 410
21106PO BoxMayoAnne Arundel CountyArea Code 410
21108StandardMillersvilleAnne Arundel CountyArea Code 301
Area Code 410
Area Code 443
21111StandardMonkton, HerefordBaltimore CountyArea Code 301
Area Code 410
21113StandardOdentonAnne Arundel CountyArea Code 410
Area Code 301
Area Code 443
Area Code 240
21114StandardCroftonAnne Arundel CountyArea Code 410
Area Code 443
Area Code 301
Area Code 240
21117StandardOwings Mills, GarrisonBaltimore CountyArea Code 410
Area Code 443
21120StandardParkton, Bentley Spgs, Bentley SpringsBaltimore CountyArea Code 410
Area Code 443
21122StandardPasadena, Lake Shore, Millersville, Riviera BeachAnne Arundel CountyArea Code 410
Area Code 443
Area Code 202
21123PO BoxPasadena, Lake Shore, Riviera BeachAnne Arundel CountyArea Code 410
21128StandardPerry HallBaltimore CountyArea Code 443
Area Code 410
21130PO BoxPerrymanHarford CountyArea Code 410
21131StandardPhoenix, JacksonvilleBaltimore CountyArea Code 202
Area Code 410
21132StandardPylesvilleHarford CountyArea Code 410
21133StandardRandallstown, Mcdonogh RunBaltimore CountyArea Code 410
Area Code 443
21136StandardReisterstown, GlyndonBaltimore CountyArea Code 410
Area Code 443
21139PO BoxRiderwoodBaltimore CountyArea Code 410
21140StandardRivaAnne Arundel CountyArea Code 410
Area Code 301
21144StandardSevernAnne Arundel CountyArea Code 443
21146StandardSeverna ParkAnne Arundel CountyArea Code 410
Area Code 443
21150PO BoxSimpsonvilleHoward CountyArea Code 410
21152StandardSparks Glencoe, Glencoe, Sparks, Sparks GlencoBaltimore CountyArea Code 410
Area Code 443
21153PO BoxStevensonBaltimore CountyArea Code 410
21154StandardStreetHarford CountyArea Code 410
21155StandardUpperco, FowbelsburgBaltimore CountyArea Code 410
21156StandardUpper FallsBaltimore CountyArea Code 410
21157StandardWestminsterCarroll CountyArea Code 410
21158StandardWestminsterCarroll CountyArea Code 410
Area Code 443
21160StandardWhiteford, CardiffHarford CountyArea Code 443
Area Code 410
21161StandardWhite HallBaltimore CountyArea Code 410
21162StandardWhite MarshBaltimore CountyArea Code 410
Area Code 443
21163StandardWoodstock, GraniteHoward CountyArea Code 410
21201StandardBaltimoreBaltimore CityArea Code 410
Area Code 443
Area Code 301
21202StandardBaltimore, East CaseBaltimore CityArea Code 301
Area Code 410
Area Code 443
21203PO BoxBaltimoreBaltimore CityArea Code 410
Area Code 443
Area Code 301
21204StandardTowson, Baltimore, Eudowood, Loch Raven, RuxtonBaltimore CountyArea Code 301
Area Code 410
Area Code 443
21205StandardBaltimoreBaltimore CityArea Code 410
Area Code 443
21206StandardBaltimore, RaspeburgBaltimore CityArea Code 410
Area Code 443
21207StandardGwynn Oak, Baltimore, WoodlawnBaltimore CountyArea Code 410
Area Code 443
21208StandardPikesville, BaltimoreBaltimore CountyArea Code 410
Area Code 443
21209StandardBaltimore, Mount Washington, Mt WashingtonBaltimore CityArea Code 410
21210StandardBaltimore, Roland ParkBaltimore CityArea Code 410
Area Code 443
21211StandardBaltimoreBaltimore CityArea Code 410
Area Code 443
21212StandardBaltimore, GovansBaltimore CityArea Code 410
Area Code 443
21213StandardBaltimore, CliftonBaltimore CityArea Code 301
Area Code 410
Area Code 202
21214StandardBaltimoreBaltimore CityArea Code 410
21215StandardBaltimore, ArlingtonBaltimore CityArea Code 410
Area Code 443
21216StandardBaltimoreBaltimore CityArea Code 410
21217StandardBaltimore, DruidBaltimore CityArea Code 410
21218StandardBaltimoreBaltimore CityArea Code 410
Area Code 202
Area Code 443
21219StandardSparrows Point, Baltimore, Edgemere, Sparrows PtBaltimore CountyArea Code 410
Area Code 443
21220StandardMiddle River, BaltimoreBaltimore CountyArea Code 443
Area Code 410
21221StandardEssex, BaltimoreBaltimore CountyArea Code 410
Area Code 443
21222StandardDundalk, BaltimoreBaltimore CountyArea Code 443
Area Code 410
21223StandardBaltimore, FranklinBaltimore CityArea Code 410
21224StandardBaltimore, HighlandtownBaltimore CityArea Code 410
21225StandardBrooklyn, Baltimore, Brooklyn ParkAnne Arundel CountyArea Code 443
Area Code 410
21226StandardCurtis Bay, Baltimore, Carvel Beach, Chestnut Hill C…Baltimore CityArea Code 410
Area Code 443
21227StandardHalethorpe, Arbutus, Baltimore, LansdowneBaltimore CountyArea Code 410
Area Code 443
Area Code 240
21228StandardCatonsville, BaltimoreBaltimore CountyArea Code 410
Area Code 443
Area Code 202
Area Code 301
21229StandardBaltimore, CarrollBaltimore CityArea Code 410
Area Code 443
21230StandardBaltimoreBaltimore CityArea Code 410
Area Code 301
21231StandardBaltimoreBaltimore CityArea Code 410
Area Code 443
21233StandardBaltimoreBaltimore CityArea Code 410
Area Code 443
21234StandardParkville, BaltimoreBaltimore CountyArea Code 410
Area Code 443
21235UniqueBaltimoreBaltimore CityArea Code 410
21236StandardNottingham, BaltimoreBaltimore CountyArea Code 410
Area Code 443
21237StandardRosedale, BaltimoreBaltimore CountyArea Code 443
Area Code 410
21239StandardBaltimore, Idlewylde, Loch Hill, NorthwoodBaltimore CityArea Code 410
Area Code 443
21240StandardBaltimoreAnne Arundel CountyArea Code 410
21241UniqueBaltimoreBaltimore CityArea Code 410
21244StandardWindsor Mill, BaltimoreBaltimore CountyArea Code 410
Area Code 443
Area Code 301
21250UniqueBaltimoreBaltimore CountyArea Code 410
21251UniqueBaltimoreBaltimore CityArea Code 443
21252UniqueTowson, BaltimoreBaltimore CountyArea Code 410
21260StandardBaltimoreBaltimore CityArea Code 410
21261StandardBaltimore, EssexBaltimore CityArea Code 410
21263UniqueBaltimoreBaltimore CityArea Code 410
21264UniqueBaltimoreBaltimore CityArea Code 410
21265UniqueBaltimoreBaltimore CityArea Code 410
21268UniqueBaltimoreBaltimore CityArea Code 410
21270PO BoxBaltimoreBaltimore CityArea Code 410
21273UniqueBaltimoreBaltimore CityArea Code 410
21274UniqueBaltimoreBaltimore CityArea Code 410
21275UniqueBaltimoreBaltimore CityArea Code 410
21278UniqueBaltimoreBaltimore CityArea Code 410
21279UniqueBaltimoreBaltimore CityArea Code 410
21280UniqueBaltimoreBaltimore CityArea Code 410
21281PO BoxBaltimoreBaltimore CityArea Code 410
21282PO BoxBaltimoreBaltimore CityArea Code 410
21283UniqueBaltimore, Shared Firm Zip CodeBaltimore CityArea Code 410
21284PO BoxBaltimore, Loch RavenBaltimore CityArea Code 410
21285PO BoxBaltimoreBaltimore CityArea Code 410
21286StandardTowson, Baltimore, Loch RavenBaltimore CountyArea Code 410
Area Code 443
21287UniqueBaltimoreBaltimore CityArea Code 410
21288UniqueBaltimoreBaltimore CityArea Code 410
21289UniqueBaltimoreBaltimore CityArea Code 410
21290UniqueBaltimoreBaltimore CityArea Code 410
21297PO BoxBaltimoreBaltimore CityArea Code 410
21298UniqueBaltimoreBaltimore CityArea Code 410
21401StandardAnnapolis, Cape Saint Claire, Cpe St ClaireAnne Arundel CountyArea Code 410
Area Code 301
Area Code 443
Area Code 202
Area Code 703
21402StandardAnnapolis, Naval AcademyAnne Arundel CountyArea Code 410
Area Code 443
21403StandardAnnapolis, Eastport, Highland BchAnne Arundel CountyArea Code 410
Area Code 443
Area Code 703
Area Code 240
Area Code 301
21404PO BoxAnnapolisAnne Arundel CountyArea Code 410
21405StandardAnnapolis, Sherwood Forest, Sherwood FrstAnne Arundel CountyArea Code 410
Area Code 301
Area Code 443
21409StandardAnnapolisAnne Arundel CountyArea Code 410
21411UniqueAnnapolisAnne Arundel CountyArea Code 410
21412UniqueAnnapolisAnne Arundel CountyArea Code 410
     
21617StandardCentrevilleQueen Anne’s CountyArea Code 443
Area Code 410
21619StandardChesterQueen Anne’s CountyArea Code 410
21620StandardChestertownKent CountyArea Code 410
Area Code 443
     
21623StandardChurch HillQueen Anne’s CountyArea Code 410
     
21638StandardGrasonvilleQueen Anne’s CountyArea Code 410
21657StandardQueen AnneQueen Anne’s CountyArea Code 410
Area Code 443
21658StandardQueenstownQueen Anne’s CountyArea Code 410
Area Code 443
21666StandardStevensvilleQueen Anne’s CountyArea Code 443
Area Code 410
21723StandardCooksvilleHoward CountyArea Code 410
21737StandardGlenelgHoward CountyArea Code 301
Area Code 410
21738StandardGlenwoodHoward CountyArea Code 443
Area Code 410
Area Code 301
21771StandardMount AiryCarroll CountyArea Code 301
Area Code 443
Area Code 410
Area Code 240
21776StandardNew WindsorCarroll CountyArea Code 410
Area Code 443
21784StandardSykesville, Eldersburg, GaitherCarroll CountyArea Code 410
Area Code 301
Area Code 443
21787StandardTaneytownCarroll CountyArea Code 410
Area Code 301
Area Code 443
21794StandardWest Friendship, W FriendshipHoward CountyArea Code 410
Area Code 443
Area Code 301
     
21797StandardWoodbineHoward CountyArea Code 410
Area Code 301