| Locality | Post Code |
|---|---|
| Beaver Lake, Sullivan | 17758 |
| Beech Glen, Sullivan | 17758 |
| Davidson, Sullivan | 17758 |
| Dushore, Sullivan | 18614 |
| Eagles Mere, Sullivan | 17731 |
| Forksville, Sullivan | 18616 |
| Fox, Sullivan | 17768 |
| Hemlock Grove, Sullivan | 17758 |
| Hillsgrove, Sullivan | 18619 |
| Laporte, Sullivan | 18626 |
| Lopez, Sullivan | 18628 |
| Mildred, Sullivan | 18632 |
| Muncy Valley, Sullivan | 17758 |
| Nordmont, Sullivan | 17758 |
| Shunk, Sullivan | 17768 |
| Sonestown, Sullivan | 17758 |
| Strawbridge, Sullivan | 17758 |
| Wheelerville, Sullivan | 17768 |