Local Calling Guide
Area code/prefix search
Cambridge, MA
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-412
| 9 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-04-06 |
|
| 857-420
| A |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-420
| 0 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2024-02-22 |
|
| 857-420
| 4 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-01-26 |
|
| 857-420
| 5 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-01-26 |
|
| 857-420
| 6 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-01-26 |
|
| 857-420
| 7 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-01-26 |
|
| 857-420
| 8 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-01-26 |
|
| 857-500
| A |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-500
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-05-01 |
|
| 857-500
| 1 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2011-11-29 |
|
| 857-500
| 2 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-07-01 |
|
| 857-500
| 3 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2013-02-15 |
|
| 857-500
| 4 |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2011-11-29 |
|
| 857-500
| 5 |
|
829J PAETEC ITEL, LLC |
128 |
|
2013-08-15 |
|
| 857-500
| 6 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2011-11-29 |
|
| 857-500
| 7 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-09-01 |
|
| 857-500
| 8 |
|
515J IP HORIZON LLC |
128 |
|
2013-08-08 |
|
| 857-500
| 9 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-10-11 |
|
| 857-529
| A |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-529
| 0 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-04-04 |
|
| 857-529
| 1 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-04-04 |
|
| 857-529
| 2 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-04-04 |
|
| 857-529
| 3 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-04-04 |
|
| 857-529
| 4 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2015-04-04 |
|
| 857-529
| 5 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-16 |
|
| 857-529
| 6 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-16 |
|
| 857-529
| 7 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-16 |
|
| 857-529
| 8 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-16 |
|
| 857-529
| 9 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-16 |
|
| 857-600
| A |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-600
| 0 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-05 |
|
| 857-600
| 1 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-05 |
|
| 857-600
| 2 |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-05 |
|
| 857-600
| 3 |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2011-06-07 |
|
| 857-600
| 4 |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2011-06-07 |
|
| 857-600
| 5 |
|
145J TERRA NOVA TELECOM INC. |
128 |
|
2025-08-29 |
|
| 857-600
| 6 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2011-06-07 |
|
| 857-600
| 8 |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2011-06-07 |
|
| 857-600
| 9 |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2011-06-07 |
|
| 857-639
| A |
SOVLMAABCMD |
516J TON80 COMMUNICATIONS, LLC |
128 |
|
|
|
| 857-639
| 0 |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-05-20 |
|
| 857-639
| 1 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-08-17 |
|
| 857-639
| 2 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-05-22 |
|
| 857-639
| 3 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-05-22 |
|
| 857-639
| 4 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-05-22 |
|
| 857-639
| 5 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2022-10-21 |
|
| 857-639
| 6 |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2022-10-21 |
|
| 857-639
| 7 |
SOVLMAABCMD |
516J TON80 COMMUNICATIONS, LLC |
128 |
|
2022-04-18 |
|
| 857-639
| 8 |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-08-17 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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