Zip Area Code

Grove, Oklahoma

Grove, Oklahoma, in Delaware County, has ZIP codes 74344 and 74345 and area code 918, with 539 as an overlay.

ZIP codes
74344, 74345
Area codes
918, 539
Time zone
Central Time
Coordinates
36.5983, -94.7431

ZIP codes in Grove

ZIP codePost officeCountyArea codes
74344GroveDelaware County918, 539
74345*GroveDelaware County918, 539

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

Area codes for Grove

  • Area code 918

    In service since 1953. Shares its area with 539. Local calls are dialed with ten digits.

  • Area code 539

    In service since April 1, 2011. Shares its area with 918. Local calls are dialed with ten digits.

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

Grove is in the Central Time zone.

Towns near Grove