Waterbury, Connecticut

16 ZIP codes · Eastern time

ZIP codes (largest first)

06704 · 31,71306708 · 29,59406705 · 25,26606706 · 15,55106710 · 9,94206702 · 2,94606701 (PO box)06703 (PO box)06720 (PO box)06721 (PO box)06722 (PO box)06723 (PO box)06724 (PO box)06725 (PO box)06726 (PO box)06749 (PO box)
Population114,869
StateConnecticut
CountyNaugatuck Valley Planning Region
Time zoneEastern
Land area28.56 sq mi

Area codes in this area

203475

These are the area codes that most often serve Waterbury (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 Waterbury

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

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