Local Calling Guide
Area code/prefix search
Boston, MA
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-302
| 2 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-10-16 |
|
| 857-302
| 3 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-10-16 |
|
| 857-302
| 4 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-10-16 |
|
| 857-302
| 5 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-10-16 |
|
| 857-302
| 6 |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2014-12-27 |
|
| 857-302
| 7 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-15 |
|
| 857-302
| 8 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-11-08 |
|
| 857-302
| 9 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2014-11-08 |
|
| 857-303
| A |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-303
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-04-01 |
|
| 857-303
| 1 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-04-01 |
|
| 857-303
| 2 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-12-15 |
|
| 857-303
| 3 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-11-01 |
|
| 857-303
| 4 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-06-19 |
|
| 857-303
| 5 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-06-19 |
|
| 857-303
| 6 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-05-01 |
|
| 857-303
| 7 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-05-01 |
|
| 857-303
| 8 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-05-01 |
|
| 857-303
| 9 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-05-01 |
|
| 857-305
| A |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
| 857-305
| 0 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2014-05-23 |
|
| 857-305
| 1 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-04-17 |
|
| 857-305
| 2 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2013-09-19 |
|
| 857-305
| 3 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2013-10-31 |
|
| 857-305
| 4 |
|
829J PAETEC ITEL, LLC |
128 |
|
2013-11-14 |
|
| 857-305
| 5 |
|
829J PAETEC ITEL, LLC |
128 |
|
2013-11-14 |
|
| 857-305
| 6 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-09-26 |
|
| 857-305
| 7 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-09-26 |
|
| 857-305
| 8 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2014-05-09 |
|
| 857-305
| 9 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2014-05-09 |
|
| 857-306
| A |
BSTPMALL5MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
128 |
|
|
|
| 857-306
| 0 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 1 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 2 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 3 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 4 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 5 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 6 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 7 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 8 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-12-08 |
|
| 857-306
| 9 |
BSTPMALL5MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
128 |
|
2017-12-08 |
|
| 857-310
| A |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-310
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-02-01 |
|
| 857-310
| 1 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-02-01 |
|
| 857-310
| 2 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-02-01 |
|
| 857-310
| 3 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-02-01 |
|
| 857-310
| 4 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-03-01 |
|
| 857-310
| 5 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2015-01-12 |
|
| 857-310
| 6 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-03-15 |
|
| 857-310
| 7 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-03-15 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 >>
Last updated: Tue, 16 Jun 2026 00:09:45 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.