Union City zip code
Zip code in Union City, CT
The location Union City belongs to New Haven County, state of Connecticut. Union City has been assigned with the zip code 06770.
The location name Union City is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Naugatuck, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 06770 | STANDARD | 27,740 |
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