Local Calling Guide
Area code/prefix search
NPA: 857
[Rate centres in NPA 857]
[Dial plan for NPA 857]
<< 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 61 62 63 64 65 66 67 68 69 70 71 72 73 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-296
| A |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
| 857-296
| 0 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-06 |
|
| 857-296
| 1 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2017-10-07 |
|
| 857-296
| 2 |
Boston |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2018-05-17 |
|
| 857-296
| 5 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-10-23 |
|
| 857-296
| 6 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-10-23 |
|
| 857-296
| 7 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-10-23 |
|
| 857-296
| 8 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-10-23 |
|
| 857-296
| 9 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-11-06 |
|
| 857-297
| A |
Newton |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
|
|
| 857-297
| 0 |
Newton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-02-11 |
|
| 857-297
| 1 |
Newton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-07-01 |
|
| 857-297
| 2 |
Newton |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2017-10-09 |
|
| 857-297
| 3 |
Newton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-08-14 |
|
| 857-297
| 4 |
Newton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-08-14 |
|
| 857-297
| 5 |
Newton |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-02-27 |
|
| 857-297
| 6 |
Newton |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2022-02-27 |
|
| 857-297
| 7 |
Newton |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2020-05-02 |
|
| 857-297
| 8 |
Newton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-07-01 |
|
| 857-297
| 9 |
Newton |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2020-03-18 |
|
| 857-298
| A |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
|
|
| 857-298
| 0 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2017-11-20 |
|
| 857-298
| 1 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2020-07-03 |
|
| 857-298
| 2 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2020-06-05 |
|
| 857-298
| 3 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2020-06-05 |
|
| 857-298
| 4 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2020-06-05 |
|
| 857-298
| 5 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2020-06-05 |
|
| 857-298
| 6 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2020-07-03 |
|
| 857-298
| 7 |
Cambridge |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2020-07-03 |
|
| 857-298
| 8 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2019-10-01 |
|
| 857-298
| 9 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2019-10-01 |
|
| 857-299
| A |
Belmont |
MA |
|
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-299
| 0 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-01-05 |
|
| 857-299
| 1 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2018-03-03 |
|
| 857-299
| 2 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-02-23 |
|
| 857-299
| 3 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-02-23 |
|
| 857-299
| 4 |
Belmont |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2019-03-07 |
|
| 857-299
| 5 |
Belmont |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2019-03-07 |
|
| 857-299
| 6 |
Belmont |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2019-03-07 |
|
| 857-299
| 7 |
Belmont |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2019-03-07 |
|
| 857-299
| 8 |
Belmont |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-01-05 |
|
| 857-300
| A |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-300
| 0 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2010-12-06 |
|
| 857-300
| 1 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2011-03-13 |
|
| 857-300
| 2 |
Boston |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2011-11-16 |
|
| 857-300
| 3 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-07-01 |
|
| 857-300
| 4 |
Boston |
MA |
BSTNMACOVMD |
4084 PAETEC COMMUNICATIONS, INC. - MA |
128 |
|
2011-01-25 |
|
| 857-300
| 5 |
Boston |
MA |
BSTNMACOVMD |
4084 PAETEC COMMUNICATIONS, INC. - MA |
128 |
|
2011-01-24 |
|
| 857-300
| 6 |
Boston |
MA |
CMBRMAWA0MD |
4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC |
128 |
|
2012-10-21 |
|
| 857-300
| 7 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2014-07-01 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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