ZIP Codes in Waterbury, CT
Waterbury uses 6 ZIP codes, all in Naugatuck Valley County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 6 Waterbury ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 06702 | standard | Naugatuck Valley | 2,946 |
| 06704 | standard | Naugatuck Valley | 31,713 |
| 06705 | standard | Naugatuck Valley | 25,266 |
| 06706 | standard | Naugatuck Valley | 15,551 |
| 06708 | standard | Naugatuck Valley | 29,594 |
| 06710 | standard | Naugatuck Valley | 9,942 |
Finding a ZIP+4 in Waterbury
Knowing which of these 6 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Waterbury street almost always have different ZIP+4 codes even though they share all five leading digits.
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