Zip Area Code

Vienna, Maryland

Vienna, Maryland, in Dorchester County, has ZIP code 21869 and area code 410, with overlays 443 and 667.

ZIP code
21869
Area codes
410, 443, 667
Time zone
Eastern Time
Coordinates
38.4774, -75.8729

ZIP codes in Vienna

ZIP codePost officeCountyArea codes
21869ViennaDorchester County410, 443, 667

Area codes for Vienna

  • Area code 410

    In service since October 6, 1991. Shares its area with 443 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 443

    In service since June 1, 1997. Shares its area with 410 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 667

    In service since March 24, 2012. Shares its area with 410 and 443. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Vienna is in the Eastern Time zone.

Towns near Vienna

Local numbers in area code 410

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