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
857-995 A Somerville MA CMBRMAAWRS0  8924 BROADWING COMMUNICATIONS, LLC - MA 128      
857-995 0 Somerville MA   9102 VERIZON NEW ENGLAND INC. 128   2009-04-23   
857-995 1 Somerville MA   3370 CTC COMMUNICATIONS CORP. - MA 128   2001-09-24   
857-995 2 Somerville MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2020-07-23   
857-995 3 Somerville MA   8924 BROADWING COMMUNICATIONS, LLC - MA 128      
857-995 4 Somerville MA   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-10-01   
857-995 5 Somerville MA   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2006-08-06   
857-995 6 Somerville MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-07-11   
857-995 7 Somerville MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-02-29   
857-995 8 Somerville MA   892D ONVOY, LLC - MA 128   2016-03-30   
857-995 9 Somerville MA   892D ONVOY, LLC - MA 128   2016-03-30   

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

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