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: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-416 A Boston MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
857-416 0 Boston MA   939H COMMIO, LLC 128      
857-416 1 Boston MA   892D ONVOY, LLC - MA 128      
857-416 2 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-416 3 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-416 4 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-416 5 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-416 6 Boston MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
857-416 7 Boston MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
857-416 8 Boston MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
857-416 9 Boston MA   892D ONVOY, LLC - MA 128      

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

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