7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 66040 | La Cygne | 3,651 |
| 66075 | Pleasanton | 2,497 |
| 66056 | Mound City | 1,383 |
| 66072 | Parker | 1,211 |
| 66010 | Blue Mound | 626 |
| 66014 | Centerville | 599 |
| 66767 | Prescott | 374 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Linn County, Kansas (US Census).