| Locality | Post Code |
|---|---|
| Arrowsic, Sagadahoc | 04530 |
| Bath, Sagadahoc | 04530 |
| Bowdoin, Sagadahoc | 04287 |
| Bowdoinham, Sagadahoc | 04008 |
| Five Islands, Sagadahoc | 04548 |
| Georgetown, Sagadahoc | 04548 |
| Mac Mahan, Sagadahoc | 04548 |
| Pejepscot, Sagadahoc | 04086 |
| Phippsburg, Sagadahoc | 04562 |
| Richmond, Sagadahoc | 04357 |
| Sebasco Estates, Sagadahoc | 04565 |
| Topsham, Sagadahoc | 04086 |
| West Bath, Sagadahoc | 04530 |
| West Bowdoin, Sagadahoc | 04287 |
| Woolwich, Sagadahoc | 04579 |
| Maine Postal Codes | |
|---|---|
| York | Washington |
| Waldo | Somerset |
| Sagadahoc | Piscataquis |
| Penobscot | Oxford |
| Lincoln | Knox |
| Kennebec | Hancock |
| Franklin | Cumberland |
| Aroostook | Androscoggin |