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 |
857-997
| 1 |
Somerville |
MA |
|
321J HD CARRIER LLC |
128 |
|
2016-09-03 |
|
857-997
| 2 |
Somerville |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
|
|
857-997
| 3 |
Somerville |
MA |
|
515J IP HORIZON LLC |
128 |
|
|
|
857-997
| 4 |
Somerville |
MA |
CMBSMA01GT4 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
128 |
|
2017-08-18 |
|
857-997
| 5 |
Somerville |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2016-04-11 |
|
857-997
| 6 |
Somerville |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2016-04-11 |
|
857-997
| 7 |
Somerville |
MA |
CMBRMABEQMD |
321J HD CARRIER LLC |
128 |
|
2016-04-11 |
|
857-997
| 8 |
Somerville |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2017-11-18 |
|
857-997
| 9 |
Somerville |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-09-14 |
|
857-998
| A |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
857-998
| 0 |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
857-998
| 1 |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
857-998
| 2 |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2006-04-01 |
|
857-998
| 3 |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2009-08-03 |
|
857-998
| 4 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2005-10-07 |
|
857-998
| 5 |
Cambridge |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2022-11-18 |
|
857-998
| 6 |
Cambridge |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2005-10-07 |
|
857-998
| 7 |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
857-998
| 8 |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
2005-09-21 |
|
857-998
| 9 |
Cambridge |
MA |
CATNMAAKAMD |
6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
128 |
|
|
|
857-999
| A |
Cambridge |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
|
|
857-999
| 0 |
Cambridge |
MA |
SOVLMAAB3MD |
197D VONAGE AMERICA LLC |
128 |
|
2013-09-03 |
|
857-999
| 1 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-12-03 |
|
857-999
| 2 |
Cambridge |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2013-04-29 |
|
857-999
| 3 |
Cambridge |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2012-07-14 |
|
857-999
| 4 |
Cambridge |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2014-09-15 |
|
857-999
| 5 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-12-03 |
|
857-999
| 6 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-12-03 |
|
857-999
| 7 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-12-03 |
|
857-999
| 8 |
Cambridge |
MA |
NRTNMAAACM4 |
6889 OMNIPOINT MIAMI E LICENSE, LLC |
128 |
|
2013-12-03 |
|
857-999
| 9 |
Cambridge |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2012-07-14 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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