Local Calling Guide

Area code/prefix search

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

NXX: 246

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-246 A Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-246 0 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-06   
857-246 1 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-06   
857-246 2 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-06   
857-246 3 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-06   
857-246 4 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-06   
857-246 5 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-06   
857-246 6 Boston MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2010-02-02   
857-246 7 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-02-27   
857-246 8 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-22   
857-246 9 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-03-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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