New Haven 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 New Haven County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
06422
06403
06450
06443
06483
06770
06779
06521
06493
06509
06501
06749
06703
06401
06461
06460
06489
06511
06720
06724
06533
06488
06516
06517
06518
06520
06524
06708
06410
06702
06532
06505
06507
06411
06037
06418
06451
06473
06477
06514
06510
06515
06762
06487
06723
06701
06530
06495
06504
06535
06536
06437
06492
06479
06471
06525
06706
06712
06506
06502
06534
06537
06472
06519
06705
06716
06710
06503
06721
06508
06540
06494
06405
06478
06513
06512
06704
06722
06538
06531
06408

To know more about New Haven County, click the button below:

New Haven 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 New Haven County County?

There are approximately 81 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in New Haven 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.