ZIP Codes in New Haven, CT
New Haven uses 5 ZIP codes, all in South Central Connecticut County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 5 New Haven ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 06510 | standard | South Central Connecticut | 4,584 |
| 06511 | standard | South Central Connecticut | 54,730 |
| 06513 | standard | South Central Connecticut | 38,888 |
| 06515 | standard | South Central Connecticut | 19,006 |
| 06519 | standard | South Central Connecticut | 15,605 |
Finding a ZIP+4 in New Haven
Knowing which of these 5 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same New Haven street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of New Haven addresses and download it complete.