| Zip Code | Primary City | Secondary City | More Information |
| 01612 | Paxton | Worcester | Worcester population stats |
| 01601 | Worcester | Worcester | Worcester population stats |
| 01602 | Worcester | Worcester | Worcester population stats |
| 01603 | Worcester | Worcester | Worcester population stats |
| 01604 | Worcester | Worcester | Worcester population stats |
| 01605 | Worcester | Worcester | Worcester population stats |
| 01606 | Worcester | Worcester | Worcester population stats |
| 01607 | Worcester | Worcester | Worcester population stats |
| 01608 | Worcester | Worcester | Worcester population stats |
| 01610 | Worcester | Worcester | Worcester population stats |
| 01613 | Worcester | Worcester | Worcester population stats |
| 01614 | Worcester | Worcester | Worcester population stats |
| 01615 | Worcester | Worcester | Worcester population stats |
| 01653 | Worcester | Worcester | Worcester population stats |
| 01654 | Worcester | Worcester | Worcester population stats |
| 01655 | Worcester | Worcester | Worcester population stats |