Waterbury, CT ZIP Codes
Waterbury, Connecticut has 15 ZIP codes: 7 for street addresses (, , , , , and 1 more) and 8 for PO boxes.
Your street decides which one you use.
Which Waterbury ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Waterbury ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
PO box and single-organization ZIP codes have no area on the map. Dashed line: Waterbury city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Waterbury ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 06701 | street delivery Waterbury |
| 06702 | street delivery Waterbury |
| 06703 | PO boxes at the Lakewood post office Lakewood |
| 06704 | street delivery Plaza |
| 06705 | street delivery East End |
| 06706 | street delivery Waterbury |
| 06708 | street delivery Waterbury |
| 06710 | street delivery Plaza |
| 06720 | PO boxes at the Waterbury post office Waterbury |
| 06721 | PO boxes at the Waterbury post office Waterbury |
| 06722 | PO boxes at the Waterbury post office Waterbury |
| 06723 | PO boxes at the Waterbury post office Waterbury |
| 06724 | PO boxes at the Waterbury post office Waterbury |
| 06725 | PO boxes at the Waterbury post office Waterbury |
| 06726 | PO boxes at the Waterbury post office Waterbury |
Waterbury ZIP code questions
What is the main ZIP code for Waterbury?
06701, the ZIP code of the main Waterbury post office at 135 Grand St.
Which Waterbury ZIP codes are for PO boxes only?
06703, 06720, 06721, 06722, 06723, 06724, 06725 and 06726. Mail to them goes to boxes at the post office, not to street addresses.
What county is Waterbury in?
Naugatuck Valley Planning Region.
ZIP codes for towns near Waterbury
More towns near Waterbury: New Britain, New Haven, Newington, Shelton, Middletown, Torrington, West Haven, West Hartford, Trumbull.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections