| Beaver Falls Post Office |
9572 Main St, Beaver Falls, NY 13305 |
| Castorland Post Office |
5158 State Route 410, Castorland, NY 13620 |
| Constableville Post Office |
3109 Main St, Constableville, NY 13325 |
| Copenhagen Post Office |
9886 State Route 12, Copenhagen, NY 13626 |
| Croghan Post Office |
6915 Bank St, Croghan, NY 13327 |
| Glenfield Post Office |
6036 Main St, Glenfield, NY 13343 |
| Harrisville Post Office |
14220 State St, Harrisville, NY 13648 |
| Lowville Post Office |
7651 N State St, Lowville, NY 13367 |
| Lyons Falls Post Office |
3864 Fulton St, Lyons Falls, NY 13368 |
| Port Leyden Post Office |
7085 W Main St, Port Leyden, NY 13433 |
| Turin Post Office |
4205 State Route 26, Turin, NY 13473 |
| West Leyden Post Office |
1054 State Route 26, West Leyden, NY 13489 |
| Martinsburg Post Office |
5604 Whitaker Rd, Martinsburg, NY 13404 |
