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: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-418 A Dorchester MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
857-418 0 Dorchester MA   892D ONVOY, LLC - MA 128   2024-02-22   
857-418 1 Dorchester MA   892D ONVOY, LLC - MA 128   2024-02-22   
857-418 2 Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-08   
857-418 3 Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-08   
857-418 5 Dorchester MA   892D ONVOY, LLC - MA 128   2024-02-22   
857-418 6 Dorchester MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2023-01-24   
857-418 8 Dorchester MA   892D ONVOY, LLC - MA 128   2024-02-22   
857-418 9 Dorchester MA   892D ONVOY, LLC - MA 128   2024-02-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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