Local Calling Guide

Area code/prefix search

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

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-240 A Newton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-240 0 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 1 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 2 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 3 Newton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-04-20   
857-240 4 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 5 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 6 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 7 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 8 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 9 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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