Local Calling Guide

Area code/prefix search

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

NXX: 263

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-263 A Boston MA WRXBMAWACM2  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-09-05   
857-263 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-09-05   
857-263 1 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2014-08-23   
857-263 2 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2014-02-07   
857-263 3 Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-02-16   
857-263 4 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2011-09-11   
857-263 5 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2011-09-11   
857-263 6 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2011-09-11   
857-263 7 Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2011-09-07   
857-263 8 Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2011-09-07   
857-263 9 Boston MA   6664 SPRINT SPECTRUM L.P. 128   2013-05-06   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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