ZIP Code 70665

70665 is one of Louisiana's ZIP codes, delivering to addresses in Sulphur, Calcasieu Parish.

City: Sulphur
Parish: Calcasieu Parish
State: Louisiana
Prefix: 706xx

Where this code sits

70665 is part of the 706xx range, the group of codes handled by one mail processing centre. Sulphur is served by 3 ZIP codes in total; the full list, with the parish each falls in, is on the Sulphur page.

Sulphur Louisiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70665 delivers to without sharing its boundary.

337 Area code 337

ZIP codes nearest 70665

The ZIP codes whose reference points sit closest to 70665.
ZIP code	Distance	Delivers to
ZIP code 70663	4.9 mi	Sulphur, LA
ZIP code 70668	7.7 mi	Vinton, LA
ZIP code 70602	8.3 mi	Lake Charles, LA
ZIP code 70606	8.3 mi	Lake Charles, LA
ZIP code 70609	8.3 mi	Lake Charles, LA
ZIP code 70612	8.3 mi	Lake Charles, LA
ZIP code 70616	8.3 mi	Lake Charles, LA
ZIP code 70629	8.3 mi	Lake Charles, 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 70665, plotted from its record coordinates.

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

Scope ZIP code 70665. 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.