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: 930

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-930 A Boston MA   393H RCLEC, INC. - MA 128      
857-930 0 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2014-10-06   
857-930 1 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2014-10-06   
857-930 2 Boston MA   892D ONVOY, LLC - MA 128   2014-10-22   
857-930 3 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-09-22   
857-930 4 Boston MA   393H RCLEC, INC. - MA 128   2014-08-08   
857-930 5 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-09-22   
857-930 6 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-09-01   
857-930 7 Boston MA   892D ONVOY, LLC - MA 128   2015-07-27   
857-930 8 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2014-10-06   
857-930 9 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2014-10-06   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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