City ZIP codes · Texas
Big Spring, TX ZIP Codes
2 ZIP codes use the postal name Big Spring, Texas (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Big Spring's most populous ZIP code is 79720, with 29,936 people (ACS 2020-2024); 2% of its land is in the city of Big Spring.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Big Spring's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 2 residential ZIP codes of Big Spring
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
Which counties do Big Spring's ZIP codes reach?
Big Spring's residential ZIP codes lie in 4 counties: Howard County (2 ZIP codes mainly there), Glasscock County (part of a ZIP code), Borden County (part of a ZIP code), Martin County (part of a ZIP code).
Which places do Big Spring's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Big Spring's residential ZIP codes cover Big Spring itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
- Sand Springs census-designated 79720
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Big Spring's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Big Spring starts with 797.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 797 | Midland, TX (SCF 797) | 2 | 60 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.