26 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 01002 | Amherst | 26,370 |
| 01075 | South Hadley | 17,754 |
| 01027 | Easthampton | 17,716 |
| 01060 | Northampton | 16,492 |
| 01007 | Belchertown | 15,419 |
| 01003 | Amherst | 13,510 |
| 01082 | Ware | 10,392 |
| 01062 | Florence | 9,816 |
| 01073 | Southampton | 6,230 |
| 01033 | Granby | 6,080 |
| 01035 | Hadley | 5,306 |
| 01096 | Williamsburg | 2,580 |
| 01050 | Huntington | 2,529 |
| 01038 | Hatfield | 2,491 |
| 01053 | Leeds | 2,304 |
| 01063 | Northampton | 2,272 |
| 01039 | Haydenville | 1,506 |
| 01026 | Cummington | 1,014 |
| 01098 | Worthington | 979 |
| 01088 | West Hatfield | 702 |
| 01070 | Plainfield | 575 |
| 01032 | Goshen | 509 |
| 01012 | Chesterfield | 397 |
| 01243 | Middlefield | 173 |
| 01066 | North Hatfield | 115 |
| 01084 | West Chesterfield | 97 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 26 ZCTAs in Hampshire County, Massachusetts (US Census).