ZIP Code 75644

75644 is one of Texas's ZIP codes, delivering to addresses in Gilmer, Upshur County.

City: Gilmer
County: Upshur County
State: Texas
Prefix: 756xx

Where this code sits

75644 is part of the 756xx range, the group of codes handled by one mail processing centre. Gilmer is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Gilmer page.

Gilmer Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 75644 delivers to without sharing its boundary.

ZIP codes nearest 75644

The ZIP codes whose reference points sit closest to 75644.
ZIP code	Distance	Delivers to
ZIP code 75755	10 mi	Big Sandy, TX
ZIP code 75645	11 mi	Gilmer, TX
ZIP code 75647	12 mi	Gladewater, TX
ZIP code 75608	13 mi	Longview, TX
ZIP code 75683	14 mi	Ore City, TX
ZIP code 75797	14 mi	Big Sandy, TX
ZIP code 75693	14 mi	White Oak, TX
ZIP code 75765	16 mi	Hawkins, 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 75644, plotted from its record coordinates.

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

Scope ZIP code 75644. 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.