County ZIP codes · Texas · FIPS 48261
Kenedy County, TX ZIP Codes
Kenedy County, Texas has 3 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Kenedy County and 1 mainly in a neighboring county; 1 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Kenedy County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 3 residential ZIP codes in Kenedy County
2 ZIP codes lie mainly in Kenedy County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 78385 | Sarita | 109 | 0 | $39k | – | 100% |
| 78338 | Armstrong | 36 | 1 | – | – | 100% |
Partly in Kenedy County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 78580 | Raymondville | 12,964 | 50 | $54k | $72k | 8% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
1 ZIP code of Kenedy County extends into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Kenedy | Elsewhere |
|---|---|---|
| 78580 | 8% | Willacy County92% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Kenedy County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Kenedy County's ZIP codes use 2 prefixes: 783 and 785.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.