Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-232 8 Newton MA   892D ONVOY, LLC - MA 128   2012-06-01   
857-232 9 Newton MA   892D ONVOY, LLC - MA 128   2012-06-01   
857-233 A Boston MA WOBNMACGCM0  6664 SPRINT SPECTRUM L.P. 128      
857-233 0 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-04-10   
857-233 1 Boston MA   5562 METRO PCS, INC. 128   2009-07-06   
857-233 2 Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2006-06-02   
857-233 3 Boston MA   6664 SPRINT SPECTRUM L.P. 128   2006-07-13   
857-233 4 Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2006-06-02   
857-233 5 Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2006-06-02   
857-233 6 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2006-07-02   
857-233 7 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2006-07-02   
857-233 8 Boston MA   6664 SPRINT SPECTRUM L.P. 128   2006-05-16   
857-233 9 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-04-10   
857-234 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128      
857-234 0 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128      
857-234 1 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128      
857-234 2 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128      
857-234 3 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2007-08-17   
857-234 4 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2011-09-04   
857-234 5 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2012-12-10   
857-234 6 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128      
857-234 7 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2007-01-19   
857-234 8 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2013-06-09   
857-234 9 Brookline MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128      
857-235 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 0 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 1 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 2 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 3 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 4 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 5 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 6 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 7 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 8 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-235 9 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128   2009-01-02   
857-236 A Boston MA CHFRMADCCM1  5562 METRO PCS, INC. 128   2008-12-01   
857-236 0 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 1 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 2 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 3 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 4 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 5 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 6 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 7 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 8 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-236 9 Boston MA   5562 METRO PCS, INC. 128   2008-12-01   
857-237 A Boston MA CHFRMADCCM1  5562 METRO PCS, INC. 128   2009-08-03   
857-237 0 Boston MA   5562 METRO PCS, INC. 128   2009-08-03   
857-237 1 Boston MA   5562 METRO PCS, INC. 128   2009-08-03   
857-237 2 Boston MA   5562 METRO PCS, INC. 128   2009-08-03   

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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