| Locality | Post Code |
|---|---|
| Abbott, Potter | 16922 |
| Austin, Potter | 16720 |
| Bingham, Potter | 16948 |
| Brookland, Potter | 16948 |
| Carter Camp, Potter | 16922 |
| Colesburg, Potter | 16915 |
| Coudersport, Potter | 16915 |
| Cross Fork, Potter | 17729 |
| Eleven Mile, Potter | 16923 |
| Ellisburg, Potter | 16923 |
| Eulalia, Potter | 16915 |
| Galeton, Potter | 16922 |
| Genesee, Potter | 16923 |
| Gold, Potter | 16923 |
| Harrison, Potter | 16927 |
| Harrison Valley, Potter | 16927 |
| Hickox, Potter | 16923 |
| Homer, Potter | 16915 |
| Inez, Potter | 16915 |
| Keech, Potter | 16923 |
| Kinney, Potter | 16923 |
| Ladona, Potter | 16915 |
| Millport, Potter | 16748 |
| Mills, Potter | 16937 |
| Mina, Potter | 16915 |
| Newfield, Potter | 16948 |