Cortland County New York is covered by a total of 16 ZIP Codes. There are 11 ZIP Codes in Cortland County that extend into adjacent counties (Broome County, Cayuga County, Chenango County, Madison County, Onondaga County, Tioga County, and Tompkins County). Of the ZIP codes within or partially within Cortland County there are 12 Standard ZIP Codes and 4 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 Cortland 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 | |||
|---|---|---|---|---|---|
| Cincinnatus | Standard | |||
| Cortland | Standard | |||
| De Ruyter | Standard | |||
| Dryden | Standard | |||
| East Homer | PO Box | |||
| Homer | Standard | |||
| Little York | PO Box | |||
| McGraw | Standard | |||
| Preble | Standard | |||
| Truxton | Standard | |||
| Tully | Standard | |||
| Blodgett Mills | PO Box | |||
| Harford | PO Box | |||
| Marathon | Standard | |||
| Richford | Standard | |||
| Willet | Standard |