Fairfield County, located in the state of Connecticut, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Fairfield County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
06484
06608
06824
06807
06830
06903
06910
06602
06801
06813
06825
06851
06902
06904
06890
06901
06673
06828
06875
06470
06811
06810
06784
06853
06836
06911
06926
06856
06858
06912
06888
06418
06468
06605
06610
06606
06804
06870
06907
06883
06440
06604
06820
06831
06855
06897
06829
06881
06927
06482
06612
06614
06615
06607
06776
06812
06840
06854
06850
06905
06896
06404
06699
06852
06876
06611
06880
06877
06878
06906
06838
06601
06491

To know more about Fairfield County, click the button below:

Fairfield County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Fairfield County County?

There are approximately 73 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Fairfield County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.