ZIP Code 70591

70591 is one of Louisiana's ZIP codes, delivering to addresses in Welsh, Jefferson Davis Parish.

City: Welsh
Parish: Jefferson Davis Parish
State: Louisiana
Prefix: 705xx

Where this code sits

70591 is part of the 705xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Welsh.

Welsh Louisiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70591 delivers to without sharing its boundary.

337 Area code 337

ZIP codes nearest 70591

The ZIP codes whose reference points sit closest to 70591.
ZIP code	Distance	Delivers to
ZIP code 70581	4.6 mi	Roanoke, LA
ZIP code 70650	6.2 mi	Lacassine, LA
ZIP code 70546	9.7 mi	Jennings, LA
ZIP code 70640	11 mi	Fenton, LA
ZIP code 70646	11 mi	Hayes, LA
ZIP code 70647	12 mi	Iowa, LA
ZIP code 70549	13 mi	Lake Arthur, LA
ZIP code 70556	15 mi	Mermentau, 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 70591, plotted from its record coordinates.

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

Scope ZIP code 70591. 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.