ZIP Code 70437

70437 is one of Louisiana's ZIP codes, delivering to addresses in Folsom, St. Tammany Parish.

City: Folsom
Parish: St. Tammany Parish
State: Louisiana
Prefix: 704xx

Where this code sits

70437 is part of the 704xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Folsom.

Folsom Louisiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70437 delivers to without sharing its boundary.

ZIP codes nearest 70437

The ZIP codes whose reference points sit closest to 70437.
ZIP code	Distance	Delivers to
ZIP code 70435	5.7 mi	Covington, LA
ZIP code 70457	7.5 mi	Saint Benedict, LA
ZIP code 70446	10 mi	Loranger, LA
ZIP code 70433	10 mi	Covington, LA
ZIP code 70442	11 mi	Husser, LA
ZIP code 70434	11 mi	Covington, LA
ZIP code 70455	12 mi	Robert, LA
ZIP code 70447	13 mi	Madisonville, 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 70437, plotted from its record coordinates.

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

Scope ZIP code 70437. 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.