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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 857-799
| 5 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
| 857-799
| 6 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
| 857-799
| 7 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
| 857-799
| 8 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-11-27 |
|
| 857-799
| 9 |
Cambridge |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2018-12-29 |
|
| 857-800
| A |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-800
| 0 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2015-05-22 |
|
| 857-800
| 1 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
| 857-800
| 2 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
| 857-800
| 3 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
| 857-800
| 4 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
| 857-800
| 5 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2015-07-23 |
|
| 857-800
| 6 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2016-06-19 |
|
| 857-800
| 7 |
Boston |
MA |
NRTNMAAACM4 |
5562 METROPCS, INC. |
128 |
|
2016-06-19 |
|
| 857-800
| 8 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2015-05-22 |
|
| 857-800
| 9 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2015-05-22 |
|
| 857-810
| A |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-810
| 0 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-810
| 1 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-810
| 2 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-810
| 3 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-810
| 4 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-810
| 5 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-810
| 6 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-810
| 7 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-810
| 8 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-05-10 |
|
| 857-810
| 9 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-12 |
|
| 857-814
| A |
Boston |
MA |
|
MULT |
128 |
|
|
|
| 857-816
| A |
Winthrop |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 857-816
| 0 |
Winthrop |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 857-816
| 1 |
Winthrop |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 857-816
| 2 |
Winthrop |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2010-03-15 |
|
| 857-816
| 3 |
Winthrop |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2004-09-04 |
|
| 857-816
| 4 |
Winthrop |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
|
|
| 857-816
| 5 |
Winthrop |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2005-07-01 |
|
| 857-816
| 6 |
Winthrop |
MA |
WRCSMA02DS1 |
7135 TC SYSTEMS, INC. |
128 |
|
2012-12-03 |
|
| 857-816
| 7 |
Winthrop |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-09-18 |
|
| 857-816
| 8 |
Winthrop |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-09-18 |
|
| 857-816
| 9 |
Winthrop |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-05-17 |
|
| 857-822
| A |
Somerville |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2025-01-03 |
|
| 857-822
| 7 |
Somerville |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2025-01-03 |
|
| 857-822
| 8 |
Somerville |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2025-01-03 |
|
| 857-822
| 9 |
Somerville |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2025-01-03 |
|
| 857-829
| A |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2024-02-09 |
|
| 857-829
| 0 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-829
| 1 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-829
| 2 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-829
| 3 |
Cambridge |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2013-11-23 |
|
| 857-829
| 4 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-10-07 |
|
| 857-829
| 5 |
Cambridge |
MA |
|
829J PAETEC ITEL, LLC |
128 |
|
2010-07-30 |
|
| 857-829
| 6 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-10-07 |
|
| 857-829
| 7 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-12-03 |
|
| 857-829
| 8 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
|
|
| 857-829
| 9 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-12-03 |
|
| 857-832
| A |
Brighton |
MA |
SOVLMAABCMD |
516J TON80 COMMUNICATIONS, LLC |
128 |
|
|
|
| 857-832
| 0 |
Brighton |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-04-18 |
|
| 857-832
| 1 |
Brighton |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-04-18 |
|
| 857-832
| 2 |
Brighton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-01-27 |
|
| 857-832
| 3 |
Brighton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-01-27 |
|
| 857-832
| 4 |
Brighton |
MA |
SOVLMAABCMD |
516J TON80 COMMUNICATIONS, LLC |
128 |
|
2022-04-17 |
|
| 857-832
| 5 |
Brighton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-12-23 |
|
| 857-832
| 6 |
Brighton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-12-23 |
|
| 857-832
| 7 |
Brighton |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-12-23 |
|
| 857-832
| 8 |
Brighton |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-10-21 |
|
| 857-832
| 9 |
Brighton |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2022-10-21 |
|
| 857-833
| A |
Winthrop |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2025-01-03 |
|
| 857-833
| 7 |
Winthrop |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2025-01-03 |
|
| 857-833
| 8 |
Winthrop |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2025-01-03 |
|
| 857-833
| 9 |
Winthrop |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2025-01-03 |
|
| 857-837
| A |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-837
| 0 |
Charlestown |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2021-01-09 |
|
| 857-837
| 1 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2020-07-26 |
|
| 857-837
| 2 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2020-07-26 |
|
| 857-837
| 3 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2020-07-26 |
|
| 857-837
| 4 |
Charlestown |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-04-08 |
|
| 857-837
| 5 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2022-11-24 |
|
| 857-837
| 6 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-07 |
|
| 857-837
| 7 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-07 |
|
| 857-837
| 9 |
Charlestown |
MA |
BSTPMALLOMD |
073H TELNYX LLC |
128 |
|
2021-03-04 |
|
| 857-847
| A |
Dorchester |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
|
|
| 857-847
| 0 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-13 |
|
| 857-847
| 1 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-13 |
|
| 857-847
| 2 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-13 |
|
| 857-847
| 3 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-05-18 |
|
| 857-847
| 4 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-05-18 |
|
| 857-847
| 5 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-05-18 |
|
| 857-847
| 6 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-05-18 |
|
| 857-847
| 7 |
Dorchester |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-05-17 |
|
| 857-847
| 8 |
Dorchester |
MA |
CMBSMA01AMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2023-09-08 |
|
| 857-847
| 9 |
Dorchester |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-06-13 |
|
| 857-855
| A |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-855
| 0 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
| 857-855
| 1 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
| 857-855
| 2 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
| 857-855
| 3 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
| 857-855
| 4 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
| 857-855
| 5 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
| 857-855
| 6 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
| 857-855
| 7 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
| 857-855
| 8 |
Boston |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-03-25 |
|
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Last updated: Sat, 05 Apr 2025 03:03:23 UTC
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