| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Springfield, Hampden | 01103, 01104, 01105, 01106, 01107, … |
| Postal/ZIP Codes in Thorndike, Hampden | 01079 |
| Postal/ZIP Codes in Three Rivers, Hampden | 01080 |
| Postal/ZIP Codes in Tolland, Hampden | 01034 |
| Postal/ZIP Codes in Wales, Hampden | 01081 |
| Postal/ZIP Codes in West Granville, Hampden | 01034 |
| Postal/ZIP Codes in West Springfield, Hampden | 01089 |
| Postal/ZIP Codes in Westfield, Hampden | 01085 |
| Postal/ZIP Codes in Wilbraham, Hampden | 01095 |
| Postal/ZIP Codes in Willimansett, Hampden | 01013 |
| Postal/ZIP Codes in Woronoco, Hampden | 01097 |