ZIP Code 70577

70577 is one of Louisiana's ZIP codes, delivering to addresses in Port Barre, St. Landry Parish.

City: Port Barre
Parish: St. Landry Parish
State: Louisiana
Prefix: 705xx

Where this code sits

70577 is part of the 705xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Port Barre.

Port Barre Louisiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70577 delivers to without sharing its boundary.

337 Area code 337

ZIP codes nearest 70577

The ZIP codes whose reference points sit closest to 70577.
ZIP code	Distance	Delivers to
ZIP code 70551	5.7 mi	Leonville, LA
ZIP code 70571	9.2 mi	Opelousas, LA
ZIP code 70570	9.9 mi	Opelousas, LA
ZIP code 70750	10 mi	Krotz Springs, LA
ZIP code 70512	10 mi	Arnaudville, LA
ZIP code 71358	11 mi	Palmetto, LA
ZIP code 70589	11 mi	Washington, LA
ZIP code 70541	11 mi	Grand Coteau, 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 70577, plotted from its record coordinates.

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

Scope ZIP code 70577. 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.