ZIP Code 70390

70390 is one of Louisiana's ZIP codes, delivering to addresses in Napoleonville, Assumption Parish.

City: Napoleonville
Parish: Assumption Parish
State: Louisiana
Prefix: 703xx

Where this code sits

70390 is part of the 703xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Napoleonville.

Napoleonville Louisiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70390 delivers to without sharing its boundary.

985 Area code 985

ZIP codes nearest 70390

The ZIP codes whose reference points sit closest to 70390.
ZIP code	Distance	Delivers to
ZIP code 70391	4.7 mi	Paincourtville, LA
ZIP code 70393	4.7 mi	Plattenville, LA
ZIP code 70341	6.8 mi	Belle Rose, LA
ZIP code 70372	7.6 mi	Labadieville, LA
ZIP code 70339	9.8 mi	Pierre Part, LA
ZIP code 70086	12 mi	Saint James, LA
ZIP code 70346	12 mi	Donaldsonville, LA
ZIP code 70723	13 mi	Convent, 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 70390, plotted from its record coordinates.

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

Scope ZIP code 70390. 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.