29 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 01301 | Greenfield | 17,876 |
| 01364 | Orange | 7,658 |
| 01376 | Turners Falls | 4,976 |
| 01373 | South Deerfield | 4,860 |
| 01370 | Shelburne Falls | 3,878 |
| 01375 | Sunderland | 3,641 |
| 01360 | Northfield | 2,872 |
| 01351 | Montague | 2,636 |
| 01337 | Bernardston | 2,589 |
| 01340 | Colrain | 1,759 |
| 01354 | Gill | 1,740 |
| 01330 | Ashfield | 1,704 |
| 01344 | Erving | 1,703 |
| 01341 | Conway | 1,622 |
| 01054 | Leverett | 1,608 |
| 01072 | Shutesbury | 1,521 |
| 01339 | Charlemont | 1,313 |
| 01342 | Deerfield | 1,267 |
| 01355 | New Salem | 958 |
| 01379 | Wendell | 778 |
| 01378 | Warwick | 776 |
| 01349 | Millers Falls | 741 |
| 01367 | Rowe | 563 |
| 01346 | Heath | 454 |
| 01093 | Whately | 225 |
| 01347 | Lake Pleasant | 165 |
| 01350 | Monroe Bridge | 122 |
| 01338 | Buckland | 95 |
| 01380 | Wendell Depot | 36 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 29 ZCTAs in Franklin County, Massachusetts (US Census).