| Locality | Post Code |
|---|---|
| East Watertown, Middlesex | 02472 |
| Everett, Middlesex | 02149 |
| Forge Village, Middlesex | 01886 |
| Framingham, Middlesex | 01701, 01702 |
| Framingham South, Middlesex | 01701 |
| Groton, Middlesex | 01450 |
| Hanscom Air Force Base, Middlesex | 01731 |
| Harvard Square, Middlesex | 02238 |
| Hastings, Middlesex | 02493 |
| Holliston, Middlesex | 01746 |
| Hopkinton, Middlesex | 01748 |
| Hudson, Middlesex | 01749 |
| Inman Square, Middlesex | 02139 |
| Kates Corner, Middlesex | 01824 |
| Kendal Green, Middlesex | 02493 |
| Kendall Square, Middlesex | 02142 |
| Lexington, Middlesex | 02420, 02421 |
| Lincoln, Middlesex | 01773 |
| Littleton, Middlesex | 01460 |
| Lowell, Middlesex | 01850, 01851, 01852, 01854 |
| Malden, Middlesex | 02148 |
| Marlborough, Middlesex | 01752 |
| Maynard, Middlesex | 01754 |
| Medford, Middlesex | 02155 |
| Melrose, Middlesex | 02176 |
| Nabnasset, Middlesex | 01886 |