Naugatuck, Connecticut

1 ZIP code · Eastern time

ZIP codes (largest first)

06770 · 31,823
Population31,800
StateConnecticut
CountyNaugatuck Valley Planning Region
Time zoneEastern
Land area16.38 sq mi

Area codes in this area

203475

These are the area codes that most often serve Naugatuck (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Find the ZIP+4 for an address in Naugatuck

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.