ZIP Codes Box

Washington County, Ohio ZIP codes

20ZIP codes
20Cities and towns
60,283People in ZIP areas
220, 304, 681Area codes

Washington County is in Ohio 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
45712BarlowPO Box only––
45713BartlettPO Box only––
45714BelpreStandard9,503$56,574
45715BeverlyStandard2,006$47,176
45721Coal RunStandard15–
45724CutlerStandard1,218$58,500
45729FlemingStandard2,121$82,110
45742Little HockingStandard3,752$78,194
45744LowellStandard2,179$69,148
45745Lower SalemStandard1,049$44,250
45746MacksburgStandard329$65,161
45750MariettaStandard26,420$60,229
45767New MatamorasStandard2,428$42,813
45768NewportStandard1,503$84,286
45773RenoStandard600$69,848
45784VincentStandard3,002$82,713
45786WaterfordStandard3,187$70,917
45787WatertownPO Box only––
45788WhippleStandard691$100,682
45789Wingett RunStandard280$81,649

Cities and towns in Washington County

Area codes in Washington County

Questions

How many ZIP codes are in Washington County, OH?
Washington County has 20 ZIP codes, 17 of them standard ZIP codes for street addresses.
What cities are in Washington County?
Washington County ZIP codes cover Barlow, Bartlett, Belpre, Beverly, Coal Run, Cutler, Fleming and Little Hocking and 12 other places.
What area code is Washington County, OH?
Washington County uses area codes 220, 304, 681 and 740.
What time zone is Washington County in?
Washington County is in Eastern Time.

Other Ohio counties