ZIP Codes in New Britain, CT
New Britain uses 3 ZIP codes, all in Capitol County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 New Britain ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 06051 | standard | Capitol | 29,548 |
| 06052 | standard | Capitol | 7,916 |
| 06053 | standard | Capitol | 36,774 |
Finding a ZIP+4 in New Britain
Knowing which of these 3 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 Britain 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 Britain addresses and download it complete.