| South Ashburnham, Worcester |
01430 |
| South Barre, Worcester |
01074 |
| South Grafton, Worcester |
01560 |
| South Lancaster, Worcester |
01561 |
| South Royalston, Worcester |
01368 |
| Southborough, Worcester |
01772 |
| Southbridge, Worcester |
01550 |
| Spencer, Worcester |
01562 |
| Sterling, Worcester |
01564 |
| Sterling Junction, Worcester |
01564 |
| Still River, Worcester |
01467 |
| Sturbridge, Worcester |
01566 |
| Sutton, Worcester |
01590 |
| Templeton, Worcester |
01468 |
| Upton, Worcester |
01568 |
| Uxbridge, Worcester |
01569 |
| Warren, Worcester |
01083 |
| Webster, Worcester |
01570 |
| Webster Square, Worcester |
01603 |
| West Boylston, Worcester |
01583 |
| West Brookfield, Worcester |
01585 |
| West Millbury, Worcester |
01586 |
| West Side, Worcester |
01602 |
| West Upton, Worcester |
01568 |
| West Warren, Worcester |
01092 |
| Westborough, Worcester |
01581 |