7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 66040 | La Cygne | 3,527 |
| 66075 | Pleasanton | 2,305 |
| 66056 | Mound City | 1,428 |
| 66072 | Parker | 1,201 |
| 66014 | Centerville | 778 |
| 66010 | Blue Mound | 539 |
| 66767 | Prescott | 390 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Linn County, Kansas (US Census).