There are 41 zip codes in Penobscot County, Maine. The most populated is 4401, located in Bangor. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 04401 | 44,285 | Bangor |
| 04412 | 9,633 | Brewer |
| 04444 | 9,303 | Hampden |
| 04468 | 9,234 | Old Town |
| 04473 | 8,171 | Orono |
| 04457 | 5,794 | Lincoln |
| 04930 | 4,226 | Dexter |
| 04474 | 3,820 | Orrington |
| 04428 | 3,500 | Eddington |
| 04953 | 3,143 | Newport |
| 04461 | 3,073 | Milford |
| 04456 | 2,965 | Levant |
| 04469 | 2,958 | Orono |
| 04427 | 2,916 | Corinth |
| 04419 | 2,902 | Carmel |
| 04928 | 1,925 | Corinna |
| 04493 | 1,823 | West Enfield |
| 04418 | 1,785 | Greenbush |
| 04411 | 1,693 | Bradley |
| 04430 | 1,541 | East Millinocket |
| 04448 | 1,397 | Howland |
| 04450 | 1,370 | Kenduskeag |
| 04969 | 1,319 | Plymouth |
| 04488 | 1,293 | Stetson |
| 04460 | 1,200 | Medway |
| 04434 | 1,200 | Etna |
| 04932 | 1,186 | Dixmont |
| 04435 | 1,170 | Exeter |
| 04449 | 1,127 | Hudson |
| 04422 | 1,094 | Charleston |
| 04410 | 1,090 | Bradford |
| 04765 | 1,030 | Patten |
| 04453 | 870 | Lagrange |
| 04939 | 817 | Garland |
| 04455 | 814 | Lee |
| 04487 | 812 | Springfield |
| 04475 | 505 | Passadumkeag |
| 04777 | 427 | Stacyville |
| 04417 | 407 | Burlington |
| 04495 | 349 | Winn |
| 04489 | 327 | Stillwater |