Zip Area Code

Waterbury, Connecticut

Waterbury, Connecticut, in Naugatuck Valley, has ZIP codes 06701, 06702, 06703, 06704, 06705, 06706 and others, and area code 203, with 475 as an overlay.

ZIP codes
06701, 06702, 06703, 06704 …
Area codes
203, 475
Time zone
Eastern Time
Coordinates
41.5574, -73.0452

ZIP codes in Waterbury

ZIP codePost officeCountyArea codes
06701*WaterburyNaugatuck Valley203, 475
06702WaterburyNew Haven County203, 475
06703*WaterburyNaugatuck Valley203, 475
06704WaterburyNew Haven County203, 475
06705WaterburyNew Haven County203, 475
06706WaterburyNew Haven County203, 475
06708WaterburyNew Haven County203, 475
06710WaterburyNew Haven County203, 475
06720*WaterburyNaugatuck Valley203, 475
06721*WaterburyNaugatuck Valley203, 475
06722*WaterburyNaugatuck Valley203, 475
06723*WaterburyNaugatuck Valley203, 475
06724*WaterburyNaugatuck Valley203, 475
06725*WaterburyNaugatuck Valley203, 475
06726*WaterburyNaugatuck Valley203, 475
06749*WaterburyNaugatuck Valley203, 475

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Waterbury

  • Area code 203

    In service since 1947. Shares its area with 475. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 475

    In service since December 12, 2009. Shares its area with 203. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Waterbury is in the Eastern Time zone.

Towns near Waterbury