Zip Area Code

Richland Parish, Louisiana

Richland Parish, Louisiana, has 4 towns and 4 ZIP codes, in area code 318, with 457 as an overlay.

Towns in Richland Parish, A to Z

TownZIP codesArea codes
Archibald71218318, 457
Mangham71259318, 457
Rayville71269318, 457
Start71279318, 457

ZIP codes in Richland Parish

Area codes in Richland 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.