Zip Area Code

Union Parish, Louisiana

Union Parish, Louisiana, has 8 towns and 7 ZIP codes, in area code 318, with 457 as an overlay.

Towns in Union Parish, A to Z

TownZIP codesArea codes
Bernice71222318, 457
Downsville71234318, 457
Farmerville71241318, 457
Junctionnearest71256318, 457
Lillie71256318, 457
Marion71260318, 457
Spearsville71277318, 457
Sterlington71280318, 457

ZIP codes in Union Parish

Area codes in Union Parish

  • Area code 318

    In service since 1957. Shares its area with 457. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 457

    In service since September 25, 2025. Shares its area with 318. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.