Local Calling Guide

Area code/prefix search

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

NXX: 995

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-995 A Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-995 0 Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128   2009-04-23   
857-995 1 Somerville MA   829J PAETEC ITEL, LLC 128   2001-09-24   
857-995 2 Somerville MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-12   
857-995 3 Somerville MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2021-11-14   
857-995 4 Somerville MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2021-10-06   
857-995 5 Somerville MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-11-20   
857-995 6 Somerville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-07-11   
857-995 7 Somerville MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-02-29   
857-995 8 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-30   
857-995 9 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-30   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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