ZIP Codes in Fairfield, CT
Fairfield uses 2 ZIP codes, all in Greater Bridgeport County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Fairfield ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 06824 | standard | Greater Bridgeport | 36,716 |
| 06825 | standard | Greater Bridgeport | 21,982 |
Finding a ZIP+4 in Fairfield
Knowing which of these 2 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 Fairfield 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 Fairfield addresses and download it complete.