Massachusetts cities starting with S
- Salem, MA 27
- Saugus, MA 14
- Scituate, MA 6
- Seekonk, MA 12
- Sharon, MA 7
- Sheffield, MA 5
- Shelburne Falls, MA 5
- Shrewsbury, MA 14
- Somerset, MA 14
- Somerville, MA 43
- Southborough, MA 10
- South Boston, MA 8
- Southbridge, MA 13
- South Dartmouth, MA 10
- South Deerfield, MA 6
- South Easton, MA 5
- South Hadley, MA 10
- Southwick, MA 6
- South Yarmouth, MA 7
- Spencer, MA 6
- Springfield, MA 117
- Stoneham, MA 10
- Stoughton, MA 8
- Sudbury, MA 9
- Sutton, MA 6
- Swansea, MA 15