Oswego County New York is covered by a total of 29 ZIP Codes. There are 9 ZIP Codes in Oswego County that extend into adjacent counties (Cayuga County, Jefferson County, Lewis County, Oneida County, and Onondaga County). Of the ZIP codes within or partially within Oswego County there are 24 Standard ZIP Codes and 5 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Oswego County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Bernhards Bay | Standard | |||
| Central Square | Standard | |||
| Cleveland | Standard | |||
| Constantia | Standard | |||
| Fulton | Standard | |||
| Hannibal | Standard | |||
| Hastings | Standard | |||
| Lacona | Standard | |||
| Lycoming | PO Box | |||
| Mallory | Standard | |||
| Maple View | PO Box | |||
| Martville | Standard | |||
| Mexico | Standard | |||
| Minetto | PO Box | |||
| New Haven | PO Box | |||
| Oswego | Standard | |||
| Parish | Standard | |||
| Pennellville | Standard | |||
| Phoenix | Standard | |||
| Pulaski | Standard | |||
| Richland | Standard | |||
| Sandy Creek | Standard | |||
| West Monroe | Standard | |||
| Altmar | Standard | |||
| Camden | Standard | |||
| Orwell | PO Box | |||
| Redfield | Standard | |||
| Williamstown | Standard | |||
| Mannsville | Standard |