Zip Area Code

Washington County, Iowa

Washington County, Iowa, has 7 towns and 7 ZIP codes, in area code 319.

Towns in Washington County, A to Z

TownZIP codesArea codes
Ainsworth52201319
Crawfordsville52621319
Keota52248319
Riverside52327319
Washington52353319
Wellman52356319
West Chester52359319

ZIP codes in Washington County

Area code in Washington County

  • Area code 319

    In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Local numbers in area code 319

Looking for a phone number with a Washington County area code? These 319 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.

We may earn a commission when you buy through our links. Numbers are sold and delivered by Exclusive Digits.

More area code 319 numbers on Exclusive Digits