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: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-855 A Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 0 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 1 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 2 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 3 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 4 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 5 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 6 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 7 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 8 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-855 9 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      

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

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