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 |
| 857-408
| 8 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2016-05-01 |
|
| 857-408
| 9 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2016-05-01 |
|
| 857-409
| A |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
| 857-409
| 0 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2016-11-21 |
|
| 857-409
| 1 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2016-11-21 |
|
| 857-409
| 2 |
Boston |
MA |
CMBRMAORDS0 |
7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA |
128 |
|
2016-12-16 |
|
| 857-409
| 3 |
Boston |
MA |
CMBRMAORDS0 |
7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA |
128 |
|
2017-08-07 |
|
| 857-409
| 4 |
Boston |
MA |
CMBRMABE5MD |
551G NUSO, LLC |
128 |
|
2017-08-12 |
|
| 857-409
| 5 |
Boston |
MA |
CMBRMABE5MD |
551G NUSO, LLC |
128 |
|
2017-08-12 |
|
| 857-409
| 6 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-08-22 |
|
| 857-409
| 7 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-08-22 |
|
| 857-409
| 8 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-08-22 |
|
| 857-409
| 9 |
Boston |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2017-08-22 |
|
| 857-410
| A |
Charlestown |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
| 857-410
| 0 |
Charlestown |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2016-10-13 |
|
| 857-410
| 1 |
Charlestown |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2016-10-13 |
|
| 857-410
| 2 |
Charlestown |
MA |
BSTPMALLOMD |
073H TELNYX LLC |
128 |
|
2017-04-20 |
|
| 857-410
| 3 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2019-11-08 |
|
| 857-410
| 4 |
Charlestown |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2019-11-08 |
|
| 857-410
| 5 |
Charlestown |
MA |
CHTWMABF2MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
128 |
|
2017-04-14 |
|
| 857-410
| 6 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-02-23 |
|
| 857-410
| 7 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2023-08-17 |
|
| 857-410
| 8 |
Charlestown |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2016-10-14 |
|
| 857-410
| 9 |
Charlestown |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2019-02-23 |
|
| 857-412
| A |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
|
|
| 857-412
| 0 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-04-06 |
|
| 857-412
| 1 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-02-18 |
|
| 857-412
| 2 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-02-18 |
|
| 857-412
| 3 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-02-18 |
|
| 857-412
| 4 |
Cambridge |
MA |
BSTPMALLZMD |
506J TWILIO INTERNATIONAL, INC. |
128 |
|
2020-12-19 |
|
| 857-412
| 5 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-02-18 |
|
| 857-412
| 6 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-04-06 |
|
| 857-412
| 7 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-03-10 |
|
| 857-412
| 8 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2016-03-10 |
|
| 857-412
| 9 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2021-04-06 |
|
| 857-413
| A |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
| 857-413
| 0 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2006-10-15 |
|
| 857-413
| 1 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2006-10-15 |
|
| 857-413
| 2 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2005-11-10 |
|
| 857-413
| 3 |
Boston |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2005-11-10 |
|
| 857-413
| 4 |
Boston |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2006-01-07 |
|
| 857-413
| 5 |
Boston |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2006-01-07 |
|
| 857-413
| 6 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2006-10-15 |
|
| 857-413
| 7 |
Boston |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2006-03-09 |
|
| 857-413
| 8 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2006-02-03 |
|
| 857-413
| 9 |
Boston |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2006-02-03 |
|
| 857-414
| A |
Brighton |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
|
|
| 857-414
| 0 |
Brighton |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2016-09-03 |
|
| 857-414
| 1 |
Brighton |
MA |
BSTPMALLOMD |
073H TELNYX LLC |
128 |
|
2017-04-19 |
|
| 857-414
| 2 |
Brighton |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2016-09-03 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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