ZIP Code 79720

79720 is one of Texas's ZIP codes, delivering to addresses in Big Spring, Howard County.

City: Big Spring
County: Howard County
State: Texas
Prefix: 797xx

Where this code sits

79720 is part of the 797xx range, the group of codes handled by one mail processing centre. Big Spring is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Big Spring page.

Big Spring Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 79720 delivers to without sharing its boundary.

432 Area code 432

ZIP codes nearest 79720

The ZIP codes whose reference points sit closest to 79720.
ZIP code	Distance	Delivers to
ZIP code 79721	4.9 mi	Big Spring, TX
ZIP code 79511	8.1 mi	Coahoma, TX
ZIP code 79733	13 mi	Forsan, TX
ZIP code 79748	15 mi	Knott, TX
ZIP code 79782	23 mi	Stanton, TX
ZIP code 79713	23 mi	Ackerly, TX
ZIP code 79749	25 mi	Lenorah, TX
ZIP code 79565	25 mi	Westbrook, 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 79720, plotted from its record coordinates.

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

Scope ZIP code 79720. 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.