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: 216

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-216 A Newton MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
857-216 0 Newton MA   316E YMAX COMMUNICATIONS CORP. - MA 128   2009-12-18   
857-216 1 Newton MA   316E YMAX COMMUNICATIONS CORP. - MA 128   2009-12-18   
857-216 2 Newton MA   892D ONVOY, LLC - MA 128   2013-11-25   
857-216 3 Newton MA   892D ONVOY, LLC - MA 128   2013-11-25   
857-216 4 Newton MA   892D ONVOY, LLC - MA 128   2013-11-25   
857-216 5 Newton MA   892D ONVOY, LLC - MA 128   2013-11-25   
857-216 6 Newton MA   892D ONVOY, LLC - MA 128   2013-11-25   
857-216 7 Newton MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-09-21   
857-216 8 Newton MA   892D ONVOY, LLC - MA 128   2023-07-18   
857-216 9 Newton MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-05-09   

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

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