Local Calling Guide

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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-256 A East Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-256 0 East Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-17   
857-256 1 East Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-17   
857-256 2 East Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2013-10-12   
857-256 3 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-02-27   
857-256 4 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-256 5 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-02-27   
857-256 6 East Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
857-256 7 East Boston MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
857-256 8 East Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
857-256 9 East Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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