ZIP Code 70643

70643 is one of Louisiana's ZIP codes, delivering to addresses in Grand Chenier, Cameron Parish.

City: Grand Chenier
Parish: Cameron Parish
State: Louisiana
Prefix: 706xx

Where this code sits

70643 is part of the 706xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grand Chenier.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70643 delivers to without sharing its boundary.

337 Area code 337

ZIP codes nearest 70643

The ZIP codes whose reference points sit closest to 70643.
ZIP code	Distance	Delivers to
ZIP code 70632	8.3 mi	Creole, LA
ZIP code 70646	23 mi	Hayes, LA
ZIP code 70630	25 mi	Bell City, LA
ZIP code 70549	27 mi	Lake Arthur, LA
ZIP code 70607	29 mi	Lake Charles, LA
ZIP code 70542	30 mi	Gueydan, LA
ZIP code 70631	31 mi	Cameron, LA
ZIP code 70645	31 mi	Hackberry, LA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 70643, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 70643. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.