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
857-320 2 Cambridge MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2016-05-16   
857-320 3 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-31   
857-320 4 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-31   
857-320 5 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2016-10-17   
857-320 6 Cambridge MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2015-03-30   
857-320 7 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-08-16   
857-320 8 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2018-10-07   
857-320 9 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-11-28   
857-321 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-321 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-05-06   
857-321 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-05-09   
857-321 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-02   
857-321 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-20   
857-321 4 Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2011-06-09   
857-321 5 Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2011-06-09   
857-321 6 Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2011-06-09   
857-321 7 Boston MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2011-06-23   
857-321 8 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-01-31   
857-321 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-26   
857-322 A East Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
857-322 0 East Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-03-18   
857-322 1 East Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2017-12-11   
857-322 2 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-12-12   
857-322 3 East Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-08-26   
857-322 4 East Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-05-31   
857-322 5 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-03-08   
857-322 6 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-08-16   
857-322 7 East Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-07-12   
857-322 8 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-24   
857-322 9 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-24   
857-323 A Chelsea MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
857-323 0 Chelsea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-04-21   
857-323 1 Chelsea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-323 2 Chelsea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-17   
857-323 3 Chelsea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-17   
857-323 4 Chelsea MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2015-12-31   
857-323 5 Chelsea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-10   
857-323 6 Chelsea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-10   
857-323 7 Chelsea MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2013-09-30   
857-323 8 Chelsea MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128   2013-03-15   
857-323 9 Chelsea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-02-29   
857-324 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-324 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 4 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 5 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 8 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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