Fairfield County Connecticut is covered by a total of 77 ZIP Codes. Of the ZIP codes within or partially within Fairfield County there are 48 Standard ZIP Codes, 12 Unique ZIP Codes and 16 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 Fairfield County and can be turned on and off. Each type of postal code can also be turned on and off.