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
857-255 5 Newton MA   2899 BROADVIEW NETWORKS, INC. - MA 128      
857-255 6 Newton MA   2899 BROADVIEW NETWORKS, INC. - MA 128      
857-255 7 Newton MA   2899 BROADVIEW NETWORKS, INC. - MA 128      
857-255 8 Newton MA   2899 BROADVIEW NETWORKS, INC. - MA 128      
857-255 9 Newton MA   892D ONVOY, LLC - MA 128   2012-06-01   
857-256 A East Boston MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-256 0 East Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-17   
857-256 1 East Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-17   
857-256 2 East Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2013-10-12   
857-256 3 East Boston MA   892D ONVOY, LLC - MA 128   2016-02-27   
857-256 4 East Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-256 5 East Boston MA   892D ONVOY, LLC - MA 128   2016-02-27   
857-256 6 East Boston MA   756G WIDE VOICE, LLC - MA 128   2016-04-11   
857-256 7 East Boston MA   7575 CENTURYLINK COMMUNICATIONS LLC 128   2014-04-24   
857-256 8 East Boston MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
857-256 9 East Boston MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
857-257 A South Boston MA WOBNMACGCM0  6664 SPRINT SPECTRUM L.P. 128      
857-258 A Boston MA CHFRMADCCM1  5562 METRO PCS, INC. 128   2010-08-27   
857-258 0 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 1 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 2 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 3 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 4 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 5 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 6 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 7 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 8 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-258 9 Boston MA   5562 METRO PCS, INC. 128   2010-08-27   
857-259 A Cambridge MA CMBSMA01GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-07-21   
857-259 0 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-07-22   
857-259 1 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-08-01   
857-259 2 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-09-01   
857-259 3 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-08-14   
857-259 4 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-08-14   
857-259 5 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-09-01   
857-259 6 Cambridge MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2011-09-26   
857-259 7 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-05-31   
857-259 8 Cambridge MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-07-21   
857-259 9 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-06-01   
857-260 A Boston MA WRXBMAWACM2  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-06-06   
857-260 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-06-06   
857-260 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-260 2 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-260 3 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-260 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-260 5 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-06   
857-260 6 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-06   
857-260 7 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-11-01   
857-260 8 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2014-08-23   
857-260 9 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2012-08-17   

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

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