ZIP Code 06721 is located in Waterbury Connecticut. 06721 is entirely within New Haven County. Regionally, 06721 is located in the Hartford-New Haven Area.
| ZIP Code Name | Waterbury |
| Primary County | New Haven County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 41.55382919,-73.04203033 |
| Adjacent ZIP Codes | |
| Neighborhoods in 06721 | |
| Region | Hartford-New Haven Area |
| Metropolitan/Micropolitan Stat Area | New Haven-Milford, CT |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |