| Locality | Post Code |
|---|---|
| Wade, Aroostook | 04786 |
| Wallagrass, Aroostook | 04781 |
| Washburn, Aroostook | 04786 |
| Westfield, Aroostook | 04787 |
| Westmanland, Aroostook | 04783 |
| Winterville Plantation, Aroostook | 04739 |
| Woodland, Aroostook | 04736 |
| Wytopitlock, Aroostook | 04497 |
| Maine Postal Codes | |
|---|---|
| York | Washington |
| Waldo | Somerset |
| Sagadahoc | Piscataquis |
| Penobscot | Oxford |
| Lincoln | Knox |
| Kennebec | Hancock |
| Franklin | Cumberland |
| Aroostook | Androscoggin |