| Locality | Post Code |
|---|---|
| Allenwood, Lycoming | 17810 |
| Antes Fort, Lycoming | 17720 |
| Armstrong, Lycoming | 17702 |
| Balls Mills, Lycoming | 17728 |
| Barbours, Lycoming | 17701 |
| Bastress, Lycoming | 17702 |
| Bella Vista, Lycoming | 17754 |
| Biggertown, Lycoming | 17774 |
| Brady, Lycoming | 17752 |
| Bryan Mills, Lycoming | 17737 |
| Buttonwood, Lycoming | 17771 |
| Calvert, Lycoming | 17771 |
| Cammal, Lycoming | 17723 |
| Carsontown, Lycoming | 17776 |
| Cascade, Lycoming | 17771 |
| Cedar Run, Lycoming | 17727 |
| Center City, Lycoming | 17701 |
| Clarkstown, Lycoming | 17756 |
| Cogan House, Lycoming | 17771 |
| Cogan Station, Lycoming | 17728 |
| Collomsville, Lycoming | 17702 |
| Crawford, Lycoming | 17740 |
| Cummings, Lycoming | 17776 |
| Duboistown, Lycoming | 17702 |
| East Muncy, Lycoming | 17756 |
| English Center, Lycoming | 17776 |