25 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 04976 | Skowhegan | 10,072 |
| 04937 | Fairfield | 6,358 |
| 04950 | Madison | 4,782 |
| 04957 | Norridgewock | 4,006 |
| 04967 | Pittsfield | 3,930 |
| 04965 | Palmyra | 2,209 |
| 04924 | Canaan | 2,063 |
| 04958 | North Anson | 2,002 |
| 04911 | Anson | 1,880 |
| 04920 | Bingham | 1,866 |
| 04971 | Saint Albans | 1,831 |
| 04943 | Hartland | 1,602 |
| 04945 | Jackman | 1,325 |
| 04942 | Harmony | 1,192 |
| 04979 | Solon | 963 |
| 04961 | New Portland | 919 |
| 04912 | Athens | 858 |
| 04978 | Smithfield | 856 |
| 04929 | Detroit | 650 |
| 04923 | Cambridge | 532 |
| 04478 | Rockwood | 316 |
| 04985 | West Forks | 217 |
| 04944 | Hinckley | 140 |
| 04925 | Caratunk | 101 |
| 04975 | Shawmut | 21 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 25 ZCTAs in Somerset County, Maine (US Census).