7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 66040 | La Cygne | 3,216 |
| 66075 | Pleasanton | 2,503 |
| 66056 | Mound City | 1,462 |
| 66072 | Parker | 1,365 |
| 66014 | Centerville | 576 |
| 66010 | Blue Mound | 497 |
| 66767 | Prescott | 305 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Linn County, Kansas (US Census).