29 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 1301 | Greenfield | 17,876 |
| 1364 | Orange | 7,668 |
| 1376 | Turners Falls | 5,032 |
| 1373 | South Deerfield | 4,784 |
| 1375 | Sunderland | 3,653 |
| 1370 | Shelburne Falls | 3,641 |
| 1360 | Northfield | 2,875 |
| 1351 | Montague | 2,644 |
| 1337 | Bernardston | 2,515 |
| 1354 | Gill | 1,831 |
| 1340 | Colrain | 1,807 |
| 1330 | Ashfield | 1,711 |
| 1054 | Leverett | 1,704 |
| 1344 | Erving | 1,639 |
| 1341 | Conway | 1,605 |
| 1072 | Shutesbury | 1,447 |
| 1339 | Charlemont | 1,361 |
| 1342 | Deerfield | 1,313 |
| 1355 | New Salem | 963 |
| 1378 | Warwick | 861 |
| 1349 | Millers Falls | 753 |
| 1379 | Wendell | 742 |
| 1367 | Rowe | 574 |
| 1346 | Heath | 453 |
| 1093 | Whately | 149 |
| 1350 | Monroe Bridge | 115 |
| 1347 | Lake Pleasant | 114 |
| 1338 | Buckland | 79 |
| 1380 | Wendell Depot | 32 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 29 ZCTAs in Franklin County, Massachusetts (US Census).