78338 ZIP Code — Armstrong, TX
Kenedy County, Texas
ZIP code 78338 is located in Armstrong, Texas, within Kenedy County. It covers approximately 51.69 square miles and serves a population of 0 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 361.
0
population
51.69
sq mi land
Standard
ZIP type
Central (CT)
timezone
78338 ZIP code map
Cities in ZIP code 78338
Below are the cities the US Postal Service accepts for ZIP code 78338. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Armstrong | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 48 |
| County FIPS | 261 |
| Geography | |
|---|---|
| Land area | 51.69 sq mi |
| Water area | 0.01 sq mi |
| Latitude | 26.8528 |
| Longitude | -97.7139 |
| Timezone | Central (CT) |
| Area code | 361 |