Zip Area Code

Warwick, Maryland

Warwick, Maryland, in Cecil County, has ZIP code 21912 and area code 410, with overlays 443 and 667.

ZIP code
21912
Area codes
410, 443, 667
County
Cecil County
State
Maryland
Time zone
Eastern Time
Coordinates
39.4283, -75.7996

ZIP codes in Warwick

ZIP codePost officeCountyArea codes
21912WarwickCecil County410, 443, 667

Area codes for Warwick

  • 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

Warwick is in the Eastern Time zone.

Towns near Warwick

Local numbers in area code 410

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