| Prefix | State | OCN | Company | Ratecenter |
|---|---|---|---|---|
| +1 351-200 | MA | 7135 | Tc systems, inc. | Ashby |
| +1 351-201 | MA | 6664 | Sprint spectrum l.p. | Danvers |
| +1 351-202 | MA | 268F | Peerless network of massachusetts, llc - ma | Pepperell |
| +1 351-203 | MA | 990E | Bandwidth.com clec, llc - ma | Tyngsboro |
| +1 351-204 | MA | 6664 | Sprint spectrum l.p. | Lawrence |
| +1 351-205 | MA | 268F | Peerless network of massachusetts, llc - ma | Georgetown |
| +1 351-206 | MA | 268F | Peerless network of massachusetts, llc - ma | Rockport |
| +1 351-207 | MA | 6101 | Comcast phone of massachusetts, inc. - ma | Georgetown |
| +1 351-208 | MA | 6387 | Cellco partnership dba verizon wireless - ma | Lowell |
| +1 351-209 | MA | 114J | Exiant communications llc | Acton |
| +1 351-210 | MA | 6889 | Omnipoint miami e license, llc | Hudson |
| +1 351-212 | MA | 6387 | Cellco partnership dba verizon wireless - ma | Danvers |
| +1 351-213 | MA | 6387 | Cellco partnership dba verizon wireless - ma | Templeton |
| +1 351-214 | MA | 197D | Vonage network inc. | Rockport |
| +1 351-215 | MA | 4036 | New cingular wireless pcs, llc - dc | Haverhill |
| +1 351-222 | MA | 892D | Onvoy, llc - ma | Merrimac |
| +1 351-247 | MA | 7135 | Tc systems, inc. | Lunenburg |
| +1 351-277 | MA | 6889 | Omnipoint miami e license, llc | Lawrence |
| +1 351-300 | MA | 892D | Onvoy, llc - ma | Harvard |
| +1 351-322 | MA | 6889 | Omnipoint miami e license, llc | Lowell |
| +1 351-333 | MA | 989G | Voxbeam telecommunications inc. - ma | Harvard |
| +1 351-444 | MA | 989G | Voxbeam telecommunications inc. - ma | Ipswich |
| +1 351-666 | MA | 892D | Onvoy, llc - ma | Peabody |
| +1 351-777 | MA | 989G | Voxbeam telecommunications inc. - ma | Hubbardstn |
| +1 351-814 | MA | MULT | Multiple ocn listing | Lawrence |
| +1 351-888 | MA | 989G | Voxbeam telecommunications inc. - ma | Merrimac |
| +1 351-999 | MA | 989G | Voxbeam telecommunications inc. - ma | Manchester |