Local Calling Guide

Area code/prefix search

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

NXX: 465

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-465 A Boston MA SOVLMAABAMD  965H FRACTEL, LLC 128      
857-465 0 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-03   
857-465 1 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-03   
857-465 2 Boston MA   181J ADVANCED TELECOM SOLUTIONS, LLC 128   2021-08-20   
857-465 3 Boston MA   892D ONVOY, LLC - MA 128   2020-10-03   
857-465 4 Boston MA   892D ONVOY, LLC - MA 128   2020-10-03   
857-465 5 Boston MA   892D ONVOY, LLC - MA 128   2020-10-03   
857-465 6 Boston MA   892D ONVOY, LLC - MA 128   2020-10-03   
857-465 7 Boston MA   892D ONVOY, LLC - MA 128   2021-06-12   
857-465 8 Boston MA   965H FRACTEL, LLC 128   2020-07-06   
857-465 9 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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