| Altmar Post Office |
1964 Mexico St, Altmar, NY 13302 |
| Bernhards Bay Post Office |
694 State Route 49, Bernhards Bay, NY 13028 |
| Central Square Post Office |
555 S Main St, Central Square, NY 13036 |
| Cleveland Post Office |
100 State Route 49, Cleveland, NY 13042 |
| Constantia Post Office |
45 Redfield St, Constantia, NY 13044 |
| Fulton Post Office |
214 S 1st St, Fulton, NY 13069 |
| Hannibal Post Office |
1 Village Sq, Hannibal, NY 13074 |
| Hastings Post Office |
6 County Route 45, Hastings, NY 13076 |
| Lacona Post Office |
15 Park Ave, Lacona, NY 13083 |
| Lycoming Post Office |
1059 County Route 29n, Lycoming, NY 13093 |
| Mallory Post Office |
77 County Route 32, Mallory, NY 13103 |
| Mexico Post Office |
5640 Norman Ave, Mexico, NY 13114 |
| Minetto Post Office |
10 County Route 24, Minetto, NY 13115 |
| New Haven Post Office |
4250 State Route 104, New Haven, NY 13121 |
| Orwell Post Office |
2007 County Route 2, Orwell, NY 13426 |
| Oswego Post Office |
391 W 1st St, Oswego, NY 13126 |
| Parish Post Office |
2963 E Main St, Parish, NY 13131 |
| Pennellville Post Office |
374 County Route 54, Pennellville, NY 13132 |
| Phoenix Post Office |
99 Jefferson St, Phoenix, NY 13135 |
| Pulaski Post Office |
4909 N Jefferson St, Pulaski, NY 13142 |
| Redfield Post Office |
7 School Rd, Redfield, NY 13437 |
| Richland Post Office |
1110 County Route 48, Richland, NY 13144 |
| Sandy Creek Post Office |
6067 S Main St, Sandy Creek, NY 13145 |
| West Monroe Post Office |
2301 State Route 49, West Monroe, NY 13167 |
| Williamstown Post Office |
509 State Route 13, Williamstown, NY 13493 |
