33 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 04270 | Oxford | 6,200 |
| 04276 | Rumford | 5,918 |
| 04281 | South Paris | 5,268 |
| 04268 | Norway | 5,168 |
| 04037 | Fryeburg | 3,949 |
| 04220 | Buckfield | 3,815 |
| 04217 | Bethel | 3,285 |
| 04224 | Dixfield | 3,077 |
| 04257 | Mexico | 2,772 |
| 04289 | West Paris | 1,901 |
| 04041 | Hiram | 1,757 |
| 04010 | Brownfield | 1,743 |
| 04068 | Porter | 1,566 |
| 04290 | Peru | 1,498 |
| 04088 | Waterford | 1,300 |
| 04051 | Lovell | 1,291 |
| 04219 | Bryant Pond | 1,228 |
| 04238 | Hebron | 1,175 |
| 04022 | Denmark | 1,149 |
| 04221 | Canton | 1,072 |
| 04292 | Sumner | 996 |
| 04255 | Greenwood | 676 |
| 04275 | Roxbury | 606 |
| 04216 | Andover | 602 |
| 04261 | Newry | 300 |
| 04231 | Stoneham | 297 |
| 04237 | Hanover | 220 |
| 04964 | Oquossoc | 84 |
| 04226 | East Andover | 73 |
| 04267 | North Waterford | 17 |
| 04227 | East Dixfield | 16 |
| 04271 | Paris | 0 |
| 04286 | West Bethel | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 33 ZCTAs in Oxford County, Maine (US Census).