ZIP Code 70343

70343 is one of Louisiana's ZIP codes, delivering to addresses in Bourg, Terrebonne Parish.

City: Bourg
Parish: Terrebonne Parish
State: Louisiana
Prefix: 703xx

Where this code sits

70343 is part of the 703xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bourg.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70343 delivers to without sharing its boundary.

985 Area code 985

ZIP codes nearest 70343

The ZIP codes whose reference points sit closest to 70343.
ZIP code	Distance	Delivers to
ZIP code 70363	5.1 mi	Houma, LA
ZIP code 70344	5.9 mi	Chauvin, LA
ZIP code 70377	6.4 mi	Montegut, LA
ZIP code 70361	7.4 mi	Houma, LA
ZIP code 70364	9.1 mi	Houma, LA
ZIP code 70360	9.3 mi	Houma, LA
ZIP code 70375	11 mi	Mathews, LA
ZIP code 70374	11 mi	Lockport, 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 70343, plotted from its record coordinates.

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

Scope ZIP code 70343. 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.