City
| City / Place Name | ZIP | County | State | Longitude | Latitude |
|---|---|---|---|---|---|
| Blanca | 81123 | Costilla | Colorado | -105.5178 | 37.4317 |
| Chama | 81126 | Costilla | Colorado | -105.3783 | 37.162 |
| Fort Garland | 81133 | Costilla | Colorado | -105.4049 | 37.427 |
| Jaroso | 81138 | Costilla | Colorado | -105.6242 | 37.0028 |
| San Luis | 81152 | Costilla | Colorado | -105.4781 | 37.1066 |