Local Calling Guide
Area code/prefix search
Boston, MA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-369
| 6 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2021-02-23 |
|
| 857-369
| 7 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2021-02-23 |
|
| 857-369
| 8 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2021-02-23 |
|
| 857-369
| 9 |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2021-02-23 |
|
| 857-377
| A |
|
829J PAETEC ITEL, LLC |
128 |
|
|
|
| 857-377
| 0 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 1 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 2 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 3 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 4 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 5 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 6 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 7 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 8 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-377
| 9 |
|
829J PAETEC ITEL, LLC |
128 |
|
2014-06-08 |
|
| 857-378
| A |
BSTNMABEDS9 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
|
|
| 857-378
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-06 |
|
| 857-378
| 1 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-06 |
|
| 857-378
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2017-03-22 |
|
| 857-378
| 3 |
|
145J TERRA NOVA TELECOM INC. |
128 |
|
2023-08-06 |
|
| 857-378
| 4 |
CHTWMABF2MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
128 |
|
2017-04-10 |
|
| 857-378
| 5 |
BSTNMABEDS9 |
9102 VERIZON NEW ENGLAND INC. |
128 |
|
2017-03-03 |
|
| 857-378
| 6 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-06 |
|
| 857-378
| 7 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-06 |
|
| 857-378
| 8 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-06 |
|
| 857-378
| 9 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-06 |
|
| 857-383
| A |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
|
|
| 857-383
| 0 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2005-12-23 |
|
| 857-383
| 1 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2006-03-03 |
|
| 857-383
| 2 |
|
829J PAETEC ITEL, LLC |
128 |
|
2005-11-30 |
|
| 857-383
| 3 |
|
829J PAETEC ITEL, LLC |
128 |
|
2005-11-07 |
|
| 857-383
| 4 |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
2005-12-10 |
|
| 857-383
| 5 |
CMBRMA01DS5 |
7135 TC SYSTEMS, INC. |
128 |
|
2005-12-10 |
|
| 857-383
| 6 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-05-01 |
|
| 857-383
| 7 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-05-01 |
|
| 857-383
| 8 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2006-01-02 |
|
| 857-383
| 9 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2006-01-02 |
|
| 857-393
| A |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-393
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-09 |
|
| 857-393
| 1 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-09 |
|
| 857-393
| 2 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-09 |
|
| 857-393
| 3 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-09 |
|
| 857-393
| 4 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-03-09 |
|
| 857-393
| 5 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-04-07 |
|
| 857-393
| 6 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-04-07 |
|
| 857-393
| 7 |
SOVLMAABBMD |
145J TERRA NOVA TELECOM INC. |
128 |
|
2024-11-11 |
|
| 857-393
| 8 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-04-07 |
|
| 857-393
| 9 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-04-07 |
|
| 857-400
| A |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-400
| 0 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-01-02 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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