16 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 13815 | Norwich | 12,654 |
| 13778 | Greene | 5,351 |
| 13733 | Bainbridge | 5,076 |
| 13830 | Oxford | 4,597 |
| 13460 | Sherburne | 4,182 |
| 13730 | Afton | 2,679 |
| 13801 | McDonough | 1,545 |
| 13464 | Smyrna | 1,207 |
| 13780 | Guilford | 968 |
| 13155 | South Otselic | 669 |
| 13844 | South Plymouth | 555 |
| 13832 | Plymouth | 448 |
| 13136 | Pitcher | 406 |
| 13841 | Smithville Flats | 385 |
| 13124 | North Pitcher | 88 |
| 13814 | North Norwich | 25 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 16 ZCTAs in Chenango County, New York (US Census).