16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 87401 | Farmington | 45,020 |
| 87413 | Bloomfield | 14,966 |
| 87410 | Aztec | 14,372 |
| 87420 | Shiprock | 11,048 |
| 87402 | Farmington | 10,997 |
| 87417 | Kirtland | 6,507 |
| 87416 | Fruitland | 4,354 |
| 87415 | Flora Vista | 2,277 |
| 87037 | Nageezi | 1,661 |
| 87421 | Waterflow | 1,588 |
| 87364 | Sheep Springs | 1,573 |
| 87455 | Newcomb | 1,522 |
| 87461 | Sanostee | 1,374 |
| 87418 | La Plata | 947 |
| 87499 | Farmington | 829 |
| 87419 | Navajo Dam | 426 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in San Juan County, New Mexico (US Census).