Local Calling Guide

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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
857-270 0 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-11-14   
857-270 1 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-07-27   
857-270 2 Cambridge MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2015-07-14   
857-270 3 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-07-27   
857-270 4 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-06-17   
857-270 5 Cambridge MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2015-09-08   
857-270 6 Cambridge MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2015-09-08   
857-270 7 Cambridge MA   892D ONVOY, LLC - MA 128   2017-05-10   
857-270 8 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-06-17   
857-270 9 Cambridge MA   966G LOCAL ACCESS LLC - MA 128   2016-07-01   
857-271 A Dorchester MA   6664 SPRINT SPECTRUM L.P. 128      
857-271 0 Dorchester MA   6664 SPRINT SPECTRUM L.P. 128   2013-08-12   
857-271 1 Dorchester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-06-15   
857-271 2 Dorchester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-06-15   
857-271 3 Dorchester MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2013-10-03   
857-271 4 Dorchester MA   892D ONVOY, LLC - MA 128   2014-10-12   
857-271 5 Dorchester MA   892D ONVOY, LLC - MA 128   2014-10-12   
857-271 6 Dorchester MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-12-15   
857-271 7 Dorchester MA   7575 CENTURYLINK COMMUNICATIONS LLC 128   2014-04-30   
857-271 8 Dorchester MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-04-30   
857-271 9 Dorchester MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-04-30   
857-272 A Boston MA CMBSMA01GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-272 0 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-04-22   
857-272 1 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-04-22   
857-272 2 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-04-22   
857-272 3 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-04-22   
857-272 4 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-21   
857-272 5 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-21   
857-272 6 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-21   
857-272 7 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-21   
857-272 8 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-15   
857-272 9 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-15   
857-273 A Jamaica Plain MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2013-06-07   
857-273 0 Jamaica Plain MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-03-31   
857-273 1 Jamaica Plain MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-03-31   
857-273 2 Jamaica Plain MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2013-06-21   
857-273 3 Jamaica Plain MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2013-09-08   
857-273 4 Jamaica Plain MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2014-01-18   
857-273 5 Jamaica Plain MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2015-05-24   
857-273 6 Jamaica Plain MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-12-08   
857-273 7 Jamaica Plain MA   7575 CENTURYLINK COMMUNICATIONS LLC 128   2014-06-20   
857-273 8 Jamaica Plain MA   892D ONVOY, LLC - MA 128   2014-12-31   
857-273 9 Jamaica Plain MA   892D ONVOY, LLC - MA 128   2014-12-31   
857-274 A Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-274 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-04-01   
857-274 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-04-01   
857-274 2 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-04-01   
857-274 3 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-04-01   
857-274 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-04-01   
857-274 5 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-05-01   

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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