Local Calling Guide
Area code/prefix search
Boston, MA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-294
| 7 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-11-12 |
|
| 857-294
| 8 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-08-21 |
|
| 857-294
| 9 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2007-08-17 |
|
| 857-295
| A |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-295
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-20 |
|
| 857-295
| 1 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-20 |
|
| 857-295
| 2 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-20 |
|
| 857-295
| 3 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2024-09-22 |
|
| 857-295
| 4 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-20 |
|
| 857-295
| 5 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-20 |
|
| 857-295
| 6 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-20 |
|
| 857-295
| 7 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-20 |
|
| 857-295
| 8 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2024-09-22 |
|
| 857-295
| 9 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-20 |
|
| 857-296
| A |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
| 857-296
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-06 |
|
| 857-296
| 1 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-10-07 |
|
| 857-296
| 2 |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2018-05-17 |
|
| 857-296
| 3 |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2024-10-11 |
|
| 857-296
| 4 |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2024-10-11 |
|
| 857-296
| 5 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-10-23 |
|
| 857-296
| 6 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-10-23 |
|
| 857-296
| 7 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-10-23 |
|
| 857-296
| 8 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-10-23 |
|
| 857-296
| 9 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-06 |
|
| 857-300
| A |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-300
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2010-12-06 |
|
| 857-300
| 1 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2011-03-13 |
|
| 857-300
| 2 |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2011-11-16 |
|
| 857-300
| 3 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-07-01 |
|
| 857-300
| 4 |
|
829J PAETEC ITEL, LLC |
128 |
|
2011-01-25 |
|
| 857-300
| 5 |
|
829J PAETEC ITEL, LLC |
128 |
|
2011-01-24 |
|
| 857-300
| 6 |
|
829J PAETEC ITEL, LLC |
128 |
|
2012-10-21 |
|
| 857-300
| 7 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-07-01 |
|
| 857-300
| 8 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-10-11 |
|
| 857-300
| 9 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-10-11 |
|
| 857-301
| A |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-301
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-05-01 |
|
| 857-301
| 1 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-05-01 |
|
| 857-301
| 2 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-05-01 |
|
| 857-301
| 3 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-05-01 |
|
| 857-301
| 4 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-05-01 |
|
| 857-301
| 5 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-05-01 |
|
| 857-301
| 6 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-02-16 |
|
| 857-301
| 7 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-02-16 |
|
| 857-301
| 8 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-02-16 |
|
| 857-301
| 9 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-02-16 |
|
| 857-302
| A |
CMBSMA013MD |
428H AIRUS, INC. - MA |
128 |
|
|
|
| 857-302
| 0 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2014-10-16 |
|
| 857-302
| 1 |
CMBSMA013MD |
428H AIRUS, INC. - MA |
128 |
|
2014-10-04 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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