Oswego County Post Offices


Click on the Post Office for all operating hours, servcies, and other information.

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1. Altmar Post Office
1964 Mexico St
Altmar, NY 13302
315-298-4388 Today 8:00am - 11:00am,
12:00pm - 3:00pm
2. Bernhards Bay Post Office
694 State Route 49
Bernhards Bay, NY 13028
315-675-3100 Today 8:00am - 12:00pm
3. Central Square Post Office
555 S Main St
Central Square, NY 13036
315-668-6711 Today 8:30am - 10:15am,
11:15am - 5:00pm
4. Cleveland Post Office
100 State Route 49
Cleveland, NY 13042
315-675-8364 Today 8:30am - 12:00pm,
1:30pm - 4:30pm
5. Constantia Post Office
45 Redfield St
Constantia, NY 13044
315-623-9049 Today 8:30am - 12:00pm,
1:30pm - 4:45pm
6. Fulton Post Office
214 S 1st St
Fulton, NY 13069
315-592-7158 Today 8:30am - 5:00pmpassport Passports
7. Hannibal Post Office
1 Village Sq
Hannibal, NY 13074
315-564-6327 Today 8:30am - 12:30pm,
2:00pm - 4:30pm
8. Hastings Post Office
6 County Route 45
Hastings, NY 13076
315-668-2056 Today 8:00am - 10:45am,
11:45am - 3:00pm
9. Lacona Post Office
15 Park Ave
Lacona, NY 13083
315-387-3813 Today 8:30am - 1:45pm,
3:15pm - 5:00pm
10. Lycoming Post Office
1059 County Route 29n
Lycoming, NY 13093
315-343-2765 Today 8:00am - 12:00pm
11. Mallory Post Office
77 County Route 32
Mallory, NY 13103
315-668-3043 Today 10:00am - 12:00pm
12. Mexico Post Office
5640 Norman Ave
Mexico, NY 13114
315-963-3611 Today 9:00am - 1:00pm,
2:00pm - 5:00pmpassport Passports
13. Minetto Post Office
10 County Route 24
Minetto, NY 13115
315-342-4590 Today 9:00am - 1:30pm,
2:30pm - 5:00pm
14. New Haven Post Office
4250 State Route 104
New Haven, NY 13121
315-963-3166 Today 12:30pm - 4:30pm
15. Orwell Post Office
2007 County Route 2
Orwell, NY 13426
315-298-2871 Today 12:00pm - 4:00pm
16. Oswego Post Office
391 W 1st St
Oswego, NY 13126
315-343-3881 Today 8:30am - 5:00pmpassport Passports
17. Parish Post Office
2963 E Main St
Parish, NY 13131
315-625-7511 Today 8:30am - 12:30pm,
1:30pm - 4:45pm
18. Pennellville Post Office
374 County Route 54
Pennellville, NY 13132
315-695-2397 Today 8:00am - 11:30am,
12:30pm - 3:00pm
19. Phoenix Post Office
99 Jefferson St
Phoenix, NY 13135
315-695-3261 Today 9:00am - 12:30pm,
1:30pm - 5:00pm
20. Pulaski Post Office
4909 N Jefferson St
Pulaski, NY 13142
315-298-2951 Today 8:30am - 12:45pm,
1:45pm - 5:00pmpassport Passports
21. Redfield Post Office
7 School Rd
Redfield, NY 13437
315-599-7371 Today 8:30am - 12:30pm
22. Richland Post Office
1110 County Route 48
Richland, NY 13144
315-298-4541 Today 8:00am - 12:00pm
23. Sandy Creek Post Office
6067 S Main St
Sandy Creek, NY 13145
315-387-3198 Today 8:30am - 12:30pm,
2:00pm - 4:30pmpassport Passports
24. West Monroe Post Office
2301 State Route 49
West Monroe, NY 13167
315-668-2856 Today 7:15am - 11:15am,
12:15pm - 2:15pm
25. Williamstown Post Office
509 State Route 13
Williamstown, NY 13493
315-964-2412 Today 8:00am - 12:00pm,
1:00pm - 3:00pm
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