ZIP Code 75421

75421 is one of Texas's ZIP codes, delivering to addresses in Brookston, Lamar County.

City: Brookston
County: Lamar County
State: Texas
Prefix: 754xx

Where this code sits

75421 is part of the 754xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Brookston.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 75421 delivers to without sharing its boundary.

ZIP codes nearest 75421

The ZIP codes whose reference points sit closest to 75421.
ZIP code	Distance	Delivers to
ZIP code 75470	5.9 mi	Petty, TX
ZIP code 75477	6.4 mi	Roxton, TX
ZIP code 75461	8.1 mi	Paris, TX
ZIP code 75460	9.0 mi	Paris, TX
ZIP code 75486	9.3 mi	Sumner, TX
ZIP code 75415	11 mi	Ben Franklin, TX
ZIP code 75462	12 mi	Paris, TX
ZIP code 75446	13 mi	Honey Grove, 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 75421, plotted from its record coordinates.

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

Scope ZIP code 75421. 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.