Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-342
| A |
Hyde Park |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-342
| 0 |
Hyde Park |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2007-10-06 |
|
| 857-342
| 1 |
Hyde Park |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2008-02-14 |
|
| 857-342
| 2 |
Hyde Park |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2010-02-18 |
|
| 857-342
| 3 |
Hyde Park |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2010-06-26 |
|
| 857-342
| 4 |
Hyde Park |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2010-04-07 |
|
| 857-342
| 5 |
Hyde Park |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-27 |
|
| 857-342
| 6 |
Hyde Park |
MA |
WRCSMA02DS1 |
7135 TC SYSTEMS, INC. |
128 |
|
2012-11-19 |
|
| 857-342
| 7 |
Hyde Park |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2008-03-07 |
|
| 857-342
| 8 |
Hyde Park |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2011-07-11 |
|
| 857-342
| 9 |
Hyde Park |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2013-07-05 |
|
| 857-343
| A |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-343
| 0 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2018-05-07 |
|
| 857-343
| 1 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2018-05-07 |
|
| 857-343
| 2 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2018-05-07 |
|
| 857-343
| 3 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-06-26 |
|
| 857-343
| 4 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2019-10-12 |
|
| 857-343
| 5 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2019-10-12 |
|
| 857-343
| 6 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2019-10-12 |
|
| 857-343
| 7 |
Boston |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2019-10-12 |
|
| 857-343
| 8 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2018-06-16 |
|
| 857-343
| 9 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2018-08-02 |
|
| 857-344
| A |
Quincy |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-344
| 0 |
Quincy |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-05-11 |
|
| 857-344
| 1 |
Quincy |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-05-11 |
|
| 857-344
| 2 |
Quincy |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2019-08-07 |
|
| 857-344
| 3 |
Quincy |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2019-11-28 |
|
| 857-344
| 4 |
Quincy |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2019-11-28 |
|
| 857-344
| 5 |
Quincy |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2019-11-28 |
|
| 857-344
| 6 |
Quincy |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2019-02-26 |
|
| 857-344
| 7 |
Quincy |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2019-09-27 |
|
| 857-344
| 8 |
Quincy |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2019-09-27 |
|
| 857-344
| 9 |
Quincy |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2018-06-16 |
|
| 857-345
| A |
Hyde Park |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-345
| 0 |
Hyde Park |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2006-10-06 |
|
| 857-345
| 1 |
Hyde Park |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2006-11-02 |
|
| 857-345
| 2 |
Hyde Park |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2007-01-02 |
|
| 857-345
| 4 |
Hyde Park |
MA |
BSTPMALL5MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
128 |
|
2014-06-20 |
|
| 857-345
| 5 |
Hyde Park |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2007-03-05 |
|
| 857-345
| 7 |
Hyde Park |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-06-01 |
|
| 857-345
| 8 |
Hyde Park |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2014-07-27 |
|
| 857-345
| 9 |
Hyde Park |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2006-11-15 |
|
| 857-346
| A |
Boston |
MA |
SOVLMAAB0MD |
148J TELENGY LLC |
128 |
|
|
|
| 857-346
| 0 |
Boston |
MA |
SOVLMAAB0MD |
148J TELENGY LLC |
128 |
|
2018-07-07 |
|
| 857-346
| 1 |
Boston |
MA |
CMBRMABE5MD |
551G NUSO, LLC |
128 |
|
2018-07-22 |
|
| 857-346
| 2 |
Boston |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2018-07-22 |
|
| 857-346
| 3 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2018-07-14 |
|
| 857-346
| 4 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2018-07-14 |
|
| 857-346
| 5 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2018-07-14 |
|
| 857-346
| 6 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2018-08-02 |
|
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Last updated: Sat, 02 May 2026 12:20:53 UTC
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