| Locality | Post Code |
|---|---|
| Alpine, Rio Grande | 81154 |
| Aqua Ramon, Rio Grande | 81132 |
| Baxterville, Rio Grande | 81132 |
| Del Norte, Rio Grande | 81132 |
| Freeman, Rio Grande | 81132 |
| Homelake, Rio Grande | 81135 |
| Lariat, Rio Grande | 81144 |
| Masonic Park, Rio Grande | 81154 |
| Maxeyville, Rio Grande | 81144 |
| Monte Vista, Rio Grande | 81144 |
| Plaza, Rio Grande | 81132 |
| Sargents School, Rio Grande | 81144 |
| South Fork, Rio Grande | 81154 |
| Summitville, Rio Grande | 81132 |
| Wagon Wheel Gap, Rio Grande | 81154 |