Following is a listing of the various radio frequencies used by various railroad operations in the Boston area.
| Northeast Corridor | 160.920 |
| LAKE SHORE LTD./Inland Route | 160.800 |
| DOWNEASTER: North Station-Lowell Jct. | 160.320 |
| DOWNEASTER: Lowell Jct.-Haverhill | 161.160 * |
| Fitchburg Line: North Station-Willows | 160.320 |
| Fitchburg Line: Willows-Fitchburg | 161.160 * |
| Lowell Line: North Station-Bleachery | 160.320 |
| Lowell Line: Wildcat Branch | 160.320 |
| Lowell Line: Bleachery-Lowell | 161.160 * |
| Haverhill Line: North Station-Lowell Jct. | 160.590 |
| Haverhill Line: Lowell Jct.-Haverhill | 161.160 * |
| Newburyport Line | 160.590 |
| Rockport Line | 160.590 |
| North Side Yards | 160.875 |
| Framingham-Worcester Line | 160.800 |
| Needham Line | 160.920 |
| Franklin Line | 160.920 |
| Fairmount Line (Dorchester Branch) | 160.920 |
| Attleboro-Providence Line | 160.920 |
| Stoughton Line | 160.920 |
| Old Colony Lines | 161.490 |
| South Side Yards | 160.070 |
| Blue Line | 470.6875 |
| Orange Line | 470.6125 |
| Red Line: Heavy Rail | 470.4125 |
| Red Line: Mattapan Trolley | 470.6375 |
| Green Line | 470.6375 |