| Locality | Post Code |
|---|---|
| Ansonia, New Haven | 06401 |
| Beacon Falls, New Haven | 06403 |
| Bethany, New Haven | 06524 |
| Branford, New Haven | 06405 |
| Centerville-Mount Carmel, New Haven | 06518 |
| Cheshire, New Haven | 06410 |
| Derby, New Haven | 06418 |
| East End, New Haven | 06705 |
| East Haven, New Haven | 06512, 06513 |
| Fair Haven, New Haven | 06513 |
| Guilford, New Haven | 06437 |
| Hamden, New Haven | 06514, 06517, 06518 |
| Madison, New Haven | 06443 |
| Meriden, New Haven | 06450, 06451 |
| Middlebury, New Haven | 06762 |
| Milford, New Haven | 06460, 06461 |
| Mount Carmel, New Haven | 06518 |
| Naugatuck, New Haven | 06770 |
| New Haven, New Haven | 06504, 06510, 06511, 06512, 06513, … |
| North Branford, New Haven | 06471 |
| North Haven, New Haven | 06473 |
| Northford, New Haven | 06472 |
| Orange, New Haven | 06477 |
| Oxford, New Haven | 06478 |
| Plaza, New Haven | 06704 |
| Prospect, New Haven | 06712 |
| Connecticut Postal Codes | |
|---|---|
| Windham | Tolland |
| New London | New Haven |
| Middlesex | Litchfield |
| Hartford | Fairfield |