ZIP Code 70083

70083 is one of Louisiana's ZIP codes, delivering to addresses in Port Sulphur, Plaquemines Parish.

City: Port Sulphur
Parish: Plaquemines Parish
State: Louisiana
Prefix: 700xx

Where this code sits

70083 is part of the 700xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Port Sulphur.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70083 delivers to without sharing its boundary.

ZIP codes nearest 70083

The ZIP codes whose reference points sit closest to 70083.
ZIP code	Distance	Delivers to
ZIP code 70082	6.4 mi	Pointe A La Hache, LA
ZIP code 70050	8.3 mi	Empire, LA
ZIP code 70041	13 mi	Buras, LA
ZIP code 70038	21 mi	Boothville, LA
ZIP code 70040	23 mi	Braithwaite, LA
ZIP code 70091	23 mi	Venice, LA
ZIP code 70358	26 mi	Grand Isle, LA
ZIP code 70181	28 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 70083, plotted from its record coordinates.

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

Scope ZIP code 70083. 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.