City
| City / Place Name | ZIP | County | State | Longitude | Latitude |
|---|---|---|---|---|---|
| Delmita | 78536 | Starr | Texas | -98.4125 | 26.6801 |
| Falcon Heights | 78545 | Starr | Texas | -99.1335 | 26.562 |
| Garciasville | 78547 | Starr | Texas | -98.6876 | 26.3396 |
| Grulla | 78548 | Starr | Texas | -98.6479 | 26.2897 |
| Rio Grande City | 78582 | Starr | Texas | -98.8104 | 26.3942 |
| Roma | 78584 | Starr | Texas | -99.0025 | 26.4215 |
| Salineno | 78585 | Starr | Texas | -99.1123 | 26.5164 |
| San Isidro | 78588 | Starr | Texas | -98.4539 | 26.7167 |
| Santa Elena | 78591 | Starr | Texas | -98.5138 | 26.5808 |