Local Calling Guide

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

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-420 A Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 0 Cambridge MA   892D ONVOY, LLC - MA 128      
857-420 1 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 2 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 3 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 4 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 5 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 6 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 7 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 8 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-420 9 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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