| Prefix | Location | Usage | Company |
|---|---|---|---|
| 351-201 | Danvers, MA | Wireless | Sprint Spectrum L.p. |
| 351-202 | Pepperell, MA | Landline | Peerless Network Of Massachusetts |
| 351-205 | Georgetown, MA | Landline | Peerless Network Of Massachusetts |
| 351-206 | Rockport, MA | Landline | Peerless Network Of Massachusetts |
| 351-207 | Landline | Comcast Phone Of Massachusetts | |
| 351-814 | Multiple Ocn Listing |