Local Calling Guide

Area code/prefix search

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

NXX: 214

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-214 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-214 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-02-03   
857-214 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-11-15   
857-214 2 Boston MA   892D ONVOY, LLC - MA 128   2013-09-06   
857-214 3 Boston MA   829J PAETEC ITEL, LLC 128   2013-07-16   
857-214 4 Boston MA   892D ONVOY, LLC - MA 128   2013-09-06   
857-214 5 Boston MA   892D ONVOY, LLC - MA 128   2013-09-06   
857-214 6 Boston MA   892D ONVOY, LLC - MA 128   2013-09-06   
857-214 7 Boston MA   892D ONVOY, LLC - MA 128   2013-09-06   
857-214 8 Boston MA   892D ONVOY, LLC - MA 128   2013-09-06   
857-214 9 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-09-27   

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

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