Post Office in Oswego County, NY

Find The Office You Need

• Mexico Post Office

  5640 Norman Avenue, Mexico, NY 13114

  315-963-3611
• New Haven Post Office

  4250 Highway 104, Mexico, NY 13114

  315-963-3166
• Oswego Post Office

  391 West 1st Street, Oswego, NY 13126

  315-343-3881
• Lycoming Post Office

  1059 County Route 29, Oswego, NY 13126

  315-343-2765
• Altmar Post Office

  1964 Mexico Street, Altmar, NY 13302

  315-298-4388
• Bernhards Bay Post Office

  694 Highway 49, Bernhards Bay, NY 13028

  315-675-3100
• Central Square Post Office

  555 South Main Street, Central Square, NY 13036

  315-668-6711
• Cleveland Post Office

  100 Highway 49, Cleveland, NY 13042

  315-675-8364
• Constantia Post Office

  45 Redfield Street, Constantia, NY 13044

  315-623-9049
• Fulton Post Office

  214 South 1st Street, Fulton, NY 13069

  315-592-7158