| 81123 Blanca | 719 | Costilla County | Colorado (CO) |
| 81126 Chama | 719 | Costilla County | Colorado (CO) |
| 81152 El Rito | 719 | Costilla County | Colorado (CO) |
| 81133 Forbes Park | 719 | Costilla County | Colorado (CO) |
| 81133 Fort Garland | 719 | Costilla County | Colorado (CO) |
| 81152 Garcia | 719 | Costilla County | Colorado (CO) |
| 81138 Jaroso | 719 | Costilla County | Colorado (CO) |
| 81152 Los Fuertes | 719 | Costilla County | Colorado (CO) |
| 81152 Mesita | 719 | Costilla County | Colorado (CO) |
| 81152 San Francisco | 719 | Costilla County | Colorado (CO) |
| 81152 San Luis | 719 | Costilla County | Colorado (CO) |
| 81152 San Pablo | 719 | Costilla County | Colorado (CO) |
| 81152 San Pedro | 719 | Costilla County | Colorado (CO) |
| 81133 Sangre de Cri | 719 | Costilla County | Colorado (CO) |
| 81133 Sangre de Cristo Ranches | 719 | Costilla County | Colorado (CO) |
| 81152 Wildhorse Mesa | 719 | Costilla County | Colorado (CO) |