Maine ZIP codes
Main ZIP codes for the largest cities in Maine. Format: 5-digit ZIP code (ZIP+4 optional).
Cities
| City | Code |
|---|---|
| Portland | 04101 |
| Augusta | 04330 |
| Bangor | 04401 |
| Lewiston | 04240 |
| Biddeford | 04005 |
Large cities have many codes; the code shown is the main/central one. All states & countries →