Zip Area Code

Chase, Maryland

Chase, Maryland, in Baltimore County, has ZIP code 21027 and area code 410, with overlays 443 and 667.

ZIP code
21027
Area codes
410, 443, 667
Time zone
Eastern Time
Coordinates
39.3634, -76.3711

ZIP codes in Chase

ZIP codePost officeCountyArea codes
21027*ChaseBaltimore 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 Chase

  • 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

Chase is in the Eastern Time zone.

Towns near Chase

Local numbers in area code 410

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