Zip Area Code

Montgomery, Louisiana

Montgomery, Louisiana, in Grant Parish, has ZIP code 71454 and area code 318, with 457 as an overlay.

ZIP code
71454
Area codes
318, 457
Time zone
Central Time
Coordinates
31.6674, -92.8412

ZIP codes in Montgomery

ZIP codePost officeCountyArea codes
71454MontgomeryGrant Parish318, 457

Area codes for Montgomery

  • 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

Montgomery is in the Central Time zone.

Towns near Montgomery