ZIP Codes Box

Washington County, Maryland ZIP codes

23ZIP codes
18Cities and towns
155,449People in ZIP areas
223, 227, 240Area codes

Washington 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 Washington County

ZIP codeCityTypePopulationMedian income
21711Big PoolStandard929$91,250
21713BoonsboroStandard9,846$96,199
21715BrownsvillePO Box only20–
21719CascadeStandard1,178$65,809
21720CavetownPO Box only––
21721ChewsvillePO Box only––
21722Clear SpringStandard6,721$88,232
21733FairplayStandard1,275$109,896
21734FunkstownPO Box only1,076$61,392
21740HagerstownStandard64,792$62,873
21741HagerstownPO Box only––
21742HagerstownStandard34,069$86,288
21746HagerstownUnique2,361–
21747HagerstownPO Box only––
21749HagerstownUnique––
21750HancockStandard3,417$60,625
21756KeedysvilleStandard3,640$101,786
21767MaugansvilleStandard1,031$57,940
21779RohrersvilleStandard1,311–
21781Saint JamesPO Box only25–
21782SharpsburgStandard3,704$94,130
21783SmithsburgStandard9,910$100,750
21795WilliamsportStandard10,144$87,864

Cities and towns in Washington County

Area codes in Washington County

Questions

How many ZIP codes are in Washington County, MD?
Washington County has 23 ZIP codes, 14 of them standard ZIP codes for street addresses.
What cities are in Washington County?
Washington County ZIP codes cover Hagerstown, Big Pool, Boonsboro, Brownsville, Cascade, Cavetown, Chewsville and Clear Spring and 10 other places.
What area code is Washington County, MD?
Washington County uses area codes 223, 227, 240, 301, 304, 681 and 717.
What time zone is Washington County in?
Washington County is in Eastern Time.

Other Maryland counties