Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-997 A Somerville MA   966G LOCAL ACCESS LLC - MA 128      
857-997 0 Somerville MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-997 1 Somerville MA   756G WIDE VOICE, LLC - MA 128   2016-09-03   
857-997 2 Somerville MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-997 3 Somerville MA   966G LOCAL ACCESS LLC - MA 128      
857-997 4 Somerville MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2017-08-18   
857-997 5 Somerville MA   756G WIDE VOICE, LLC - MA 128   2016-04-11   
857-997 6 Somerville MA   756G WIDE VOICE, LLC - MA 128   2016-04-11   
857-997 7 Somerville MA   756G WIDE VOICE, LLC - MA 128   2016-04-11   
857-997 8 Somerville MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2017-11-18   
857-997 9 Somerville MA   892D ONVOY, LLC - MA 128   2014-09-14   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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