| Locality | Postal Code |
|---|---|
| Seymour, New Haven | 06483 |
| South Britain, New Haven | 06487 |
| Southbury, New Haven | 06488 |
| Union City, New Haven | 06770 |
| Wallingford, New Haven | 06492, 06493, 06494, 06495 |
| Waterbury, New Haven | 06701, 06702, 06704, 06705, 06706, … |
| West Haven, New Haven | 06516 |
| Westville, New Haven | 06515 |
| Whitneyville, New Haven | 06517 |
| Wolcott, New Haven | 06705, 06716 |
| Woodbridge, New Haven | 06525 |
| Yalesville, New Haven | 06492 |
| Postal Codes in Connecticut | |
|---|---|
| Windham | Tolland |
| New London | New Haven |
| Middlesex | Litchfield |
| Hartford | Fairfield |