| Locality | Post Code |
|---|---|
| Aztec, San Juan | 87410 |
| Biklabito, San Juan | 87420 |
| Bisti, San Juan | 87401 |
| Blanco, San Juan | 87412 |
| Bloomfield, San Juan | 87413 |
| Cedar Hill, San Juan | 87410 |
| El Huerfano, San Juan | 87413 |
| Farmington, San Juan | 87401, 87402 |
| Flora Vista, San Juan | 87415 |
| Fruitland, San Juan | 87416 |
| Gobernador, San Juan | 87412 |
| Kirtland, San Juan | 87417 |
| La Plata, San Juan | 87418 |
| Little Water, San Juan | 87420 |
| Nageezi, San Juan | 87037 |
| Navajo Dam, San Juan | 87419 |
| Newcomb, San Juan | 87455 |
| Sanostee, San Juan | 87461 |
| Sheep Springs, San Juan | 87364 |
| Shiprock, San Juan | 87420 |
| Tocito, San Juan | 87420 |
| Turley, San Juan | 87412 |
| Waterflow, San Juan | 87421 |