Zip Area Code

West Monroe, Louisiana

West Monroe, Louisiana, in Ouachita Parish, has ZIP codes 71291, 71292 and 71294 and area code 318, with 457 as an overlay.

ZIP codes
71291, 71292, 71294
Area codes
318, 457
Time zone
Central Time
Coordinates
32.4930, -92.1736

ZIP codes in West Monroe

ZIP codePost officeCountyArea codes
71291West MonroeOuachita Parish318, 457
71292West MonroeOuachita Parish318, 457
71294*West MonroeOuachita Parish318, 457

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

Area codes for West Monroe

  • 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.

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

West Monroe is in the Central Time zone.

Towns near West Monroe