In which county is ZIP code 70056 located?

ZIP 70056 is listed under Jefferson Parish, LA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 70056: Gretna, LA

ZIP: 70056

County: Jefferson Parish

Coordinates: 29.88720, -90.03310

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 70056 in Gretna, LA. We include verified county details for Jefferson Parish plus key geographic references used for mapping and logistics.

Primary City	Gretna
ZIP Code	70056
County	Jefferson Parish
State	LA
Latitude / Longitude	29.88720, -90.03310
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 70056 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 70056 is approximately 29.88720 (latitude) and -90.03310 (longitude). This location sits within Jefferson Parish, contributing to regional planning across LA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 70056 for mail delivery and general location reference in Jefferson Parish, LA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Gretna within LA.

Frequently Asked Questions

What is the primary city for ZIP code 70056?

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

In which county is 70056 located?

ZIP code 70056 is situated within Jefferson Parish, LA.

What are the coordinates for 70056?

The approximate center point is 29.88720 (Latitude) and -90.03310 (Longitude).

Is ZIP code 70056 active?

This page lists ZIP 70056 as Listed based on the latest refresh date shown above.

Does ZIP 70056 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