16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 87401 | Farmington | 46,398 |
| 87410 | Aztec | 15,087 |
| 87413 | Bloomfield | 14,980 |
| 87420 | Shiprock | 11,051 |
| 87402 | Farmington | 10,362 |
| 87417 | Kirtland | 5,358 |
| 87416 | Fruitland | 4,470 |
| 87415 | Flora Vista | 2,418 |
| 87037 | Nageezi | 1,651 |
| 87421 | Waterflow | 1,612 |
| 87455 | Newcomb | 1,546 |
| 87364 | Sheep Springs | 1,470 |
| 87461 | Sanostee | 1,394 |
| 87499 | Farmington | 868 |
| 87418 | La Plata | 835 |
| 87419 | Navajo Dam | 411 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in San Juan County, New Mexico (US Census).