Sullivan County New York is covered by a total of 61 ZIP Codes. There are 14 ZIP Codes in Sullivan County that extend into adjacent counties (Delaware County, Orange County, and Ulster County). Of the ZIP codes within or partially within Sullivan County there are 51 Standard ZIP Codes and 9 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 Sullivan County and can be turned on and off. Each type of postal code can also be turned on and off.