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
857-297 6 Newton MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-05-02   
857-297 7 Newton MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-05-02   
857-297 8 Newton MA   892D ONVOY, LLC - MA 128   2019-07-01   
857-297 9 Newton MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-03-18   
857-298 A Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2017-11-20   
857-298 0 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2017-11-20   
857-298 1 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-07-03   
857-298 2 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-06-05   
857-298 3 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-06-05   
857-298 4 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-06-05   
857-298 5 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-06-05   
857-298 6 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-07-03   
857-298 7 Cambridge MA   624H ONVOY SPECTRUM, LLC 128   2020-07-03   
857-298 8 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2019-10-01   
857-298 9 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2019-10-01   
857-299 A Belmont MA   6664 SPRINT SPECTRUM L.P. 128   2017-11-06   
857-299 0 Belmont MA   892D ONVOY, LLC - MA 128   2019-01-05   
857-299 1 Belmont MA   892D ONVOY, LLC - MA 128   2018-03-03   
857-299 2 Belmont MA   892D ONVOY, LLC - MA 128   2019-02-23   
857-299 3 Belmont MA   892D ONVOY, LLC - MA 128   2019-02-23   
857-299 4 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-03-07   
857-299 5 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-03-07   
857-299 6 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-03-07   
857-299 7 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-03-07   
857-299 8 Belmont MA   892D ONVOY, LLC - MA 128   2019-01-05   
857-299 9 Belmont MA   6664 SPRINT SPECTRUM L.P. 128   2017-11-06   
857-300 A Boston MA WRXBMAWACM2  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2010-12-06   
857-300 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2010-12-06   
857-300 1 Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-13   
857-300 2 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2011-11-16   
857-300 3 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-300 4 Boston MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2011-01-25   
857-300 5 Boston MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2011-01-24   
857-300 6 Boston MA   4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2012-10-21   
857-300 7 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-300 8 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2013-10-11   
857-300 9 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2013-10-11   
857-301 A Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 2 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 3 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 5 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-05-01   
857-301 6 Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-301 7 Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-301 8 Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-301 9 Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-302 A Boston MA   428H AIRUS, INC. - MA 128      
857-302 0 Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   

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

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