Norwalk, Connecticut

10 ZIP codes · Eastern time

ZIP codes (largest first)

06854 · 32,11806851 · 27,86506850 · 19,69206855 · 9,35106853 · 3,17106852 (PO box)06856 (PO box)06857 (PO box)06858 (PO box)06860 (PO box)
Population92,187
StateConnecticut
CountyWestern Connecticut Planning Region, Greater Bridgeport Planning Region
Time zoneEastern
Land area22.89 sq mi

Area codes in this area

203475

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

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