ZIP Codes Box

Baltimore County, Maryland ZIP codes

50ZIP codes
44Cities and towns
841,361People in ZIP areas
223, 410, 443Area codes

Baltimore County is in Maryland and the Eastern Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Baltimore County

ZIP codeCityTypePopulationMedian income
21013BaldwinStandard5,610$171,354
21020BoringPO Box only––
21022BrooklandvillePO Box only––
21023ButlerPO Box only66$84,474
21027ChasePO Box only––
21030CockeysvilleStandard25,827$89,015
21031Hunt ValleyStandard26–
21051ForkStandard172$232,721
21052Fort HowardPO Box only409$77,300
21053FreelandStandard2,929$89,497
21057Glen ArmStandard4,386$145,924
21065Hunt ValleyUnique––
21071GlyndonPO Box only404$213,500
21082HydesStandard626$145,571
21087KingsvilleStandard5,537$129,188
21092Long GreenPO Box only––
21093Lutherville TimoniumStandard39,100$125,528
21094Lutherville TimoniumPO Box only––
21105Maryland LinePO Box only36–
21111MonktonStandard4,714$136,304
21117Owings MillsStandard62,816$101,831
21120ParktonStandard7,440$162,052
21128Perry HallStandard15,501$128,069
21131PhoenixStandard7,141$197,619
21133RandallstownStandard31,398$80,480
21136ReisterstownStandard32,088$118,500
21139RiderwoodPO Box only––
21152Sparks GlencoeStandard6,459$121,350
21153StevensonPO Box only456$220,179
21155UppercoStandard3,313$123,158
21156Upper FallsStandard204–
21162White MarshStandard4,639$157,813
21204TowsonStandard19,845$99,606
21207Gwynn OakStandard47,099$67,060
21208PikesvilleStandard37,276$90,131
21209BaltimoreStandard30,126$91,437
21219Sparrows PointStandard9,565$110,438
21220Middle RiverStandard42,824$81,817
21221EssexStandard43,487$67,340
21222DundalkStandard59,407$64,141
21227HalethorpeStandard34,907$85,986
21228CatonsvilleStandard50,492$112,656
21234ParkvilleStandard66,334$83,517
21236NottinghamStandard39,514$95,149
21237RosedaleStandard31,425$91,693
21244Windsor MillStandard38,208$85,114
21250BaltimoreUnique2,834–
21252TowsonUnique4,865–
21285TowsonPO Box only3–
21286TowsonStandard21,853$93,808

Cities and towns in Baltimore County

Area codes in Baltimore County

Questions

How many ZIP codes are in Baltimore County, MD?
Baltimore County has 50 ZIP codes, 35 of them standard ZIP codes for street addresses.
What cities are in Baltimore County?
Baltimore County ZIP codes cover Towson, Baltimore, Hunt Valley, Lutherville Timonium, Baldwin, Boring, Brooklandville and Butler and 36 other places.
What area code is Baltimore County, MD?
Baltimore County uses area codes 223, 410, 443, 667 and 717.
What time zone is Baltimore County in?
Baltimore County is in Eastern Time.

Other Maryland counties