Zip Area Code

Ocean City, Maryland

Ocean City, Maryland, in Worcester County, has ZIP codes 21842 and 21843 and area code 410, with overlays 443 and 667.

ZIP codes
21842, 21843
Area codes
410, 443, 667
Time zone
Eastern Time
Coordinates
38.3365, -75.0849

ZIP codes in Ocean City

ZIP codePost officeCountyArea codes
21842Ocean CityWorcester County410, 443, 667
21843*Ocean CityWorcester County410, 443, 667

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Ocean City

  • 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

Ocean City is in the Eastern Time zone.

Towns near Ocean City

Local numbers in area code 410

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