In which county is ZIP code 70390 located?

ZIP 70390 is listed under Assumption, LA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 70390: Napoleonville, LA

ZIP: 70390

County: Assumption

Coordinates: 29.92880, -91.02660

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Napoleonville, LA postal area 70390. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Napoleonville
ZIP Code	70390
County	Assumption
State	LA
Latitude / Longitude	29.92880, -91.02660
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 70390 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 70390 are listed as 29.92880 / -91.02660, useful for GPS and service checks in and around Napoleonville, LA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 70390 for mail delivery and general location reference in Assumption, LA.

This ZIP may extend beyond the city core into nearby communities within Assumption.

Related ZIP Codes (Nearby)

Explore other postal codes near Napoleonville within LA.

Frequently Asked Questions

What is the primary city for ZIP code 70390?

The primary city for this ZIP code is Napoleonville, located in LA.

In which county is 70390 located?

ZIP code 70390 is situated within Assumption, LA.

What are the coordinates for 70390?

The approximate center point is 29.92880 (Latitude) and -91.02660 (Longitude).

Is ZIP code 70390 active?

This page lists ZIP 70390 as Listed based on the latest refresh date shown above.

Does ZIP 70390 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08