ZIP Code 75663

75663 is one of Texas's ZIP codes, delivering to addresses in Kilgore, Gregg County.

City: Kilgore
County: Gregg County
State: Texas
Prefix: 756xx

Where this code sits

75663 is part of the 756xx range, the group of codes handled by one mail processing centre. Kilgore is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Kilgore page.

Kilgore Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 75663 delivers to without sharing its boundary.

ZIP codes nearest 75663

The ZIP codes whose reference points sit closest to 75663.
ZIP code	Distance	Delivers to
ZIP code 75662	1.8 mi	Kilgore, TX
ZIP code 75666	2.4 mi	Laird Hill, TX
ZIP code 75684	8.8 mi	Overton, TX
ZIP code 75682	9.4 mi	New London, TX
ZIP code 75693	11 mi	White Oak, TX
ZIP code 75607	11 mi	Longview, TX
ZIP code 75615	11 mi	Longview, TX
ZIP code 75603	11 mi	Longview, TX

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 75663, plotted from its record coordinates.

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

Scope ZIP code 75663. 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.