ZIP Code 70358

70358 is one of Louisiana's ZIP codes, delivering to addresses in Grand Isle, Jefferson Parish.

City: Grand Isle
Parish: Jefferson Parish
State: Louisiana
Prefix: 703xx

Where this code sits

70358 is part of the 703xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grand Isle.

Grand Isle Louisiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70358 delivers to without sharing its boundary.

985 Area code 985

ZIP codes nearest 70358

The ZIP codes whose reference points sit closest to 70358.
ZIP code	Distance	Delivers to
ZIP code 70357	19 mi	Golden Meadow, LA
ZIP code 70354	22 mi	Galliano, LA
ZIP code 70083	26 mi	Port Sulphur, LA
ZIP code 70082	27 mi	Pointe A La Hache, LA
ZIP code 70050	27 mi	Empire, LA
ZIP code 70345	28 mi	Cut Off, LA
ZIP code 70041	30 mi	Buras, LA
ZIP code 70181	31 mi	New Orleans, 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 70358, plotted from its record coordinates.

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

Scope ZIP code 70358. 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.