Local Calling Guide

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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
857-240 A Newton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-240 0 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 1 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 2 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 3 Newton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-04-20   
857-240 4 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 5 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 6 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 7 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 8 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-240 9 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-06-01   
857-241 A Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-241 0 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-04-07   
857-241 1 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-06-08   
857-241 2 Boston MA   829J PAETEC ITEL, LLC 128   2007-09-28   
857-241 3 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-12-18   
857-241 4 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-12-18   
857-241 5 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-06-08   
857-241 6 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-10-03   
857-241 7 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-11-12   
857-241 8 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-04-19   
857-241 9 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-04-19   
857-242 A Cambridge MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
857-242 0 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-10-06   
857-242 1 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-10-06   
857-242 2 Cambridge MA   829J PAETEC ITEL, LLC 128   2012-04-30   
857-242 3 Cambridge MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-09-29   
857-242 4 Cambridge MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-05-12   
857-242 5 Cambridge MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2011-12-15   
857-242 6 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-06-05   
857-242 7 Cambridge MA   829J PAETEC ITEL, LLC 128   2013-09-26   
857-242 8 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-11   
857-242 9 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-11   
857-243 A Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-243 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-07-18   
857-243 1 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2010-06-19   
857-243 2 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2009-12-27   
857-243 3 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2010-06-19   
857-243 4 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2010-06-19   
857-243 5 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2010-06-19   
857-243 6 Boston MA   829J PAETEC ITEL, LLC 128   2009-12-29   
857-243 7 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2010-06-19   
857-243 8 Boston MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2010-05-03   
857-243 9 Boston MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2010-05-03   
857-244 A Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-244 0 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-08-15   
857-244 1 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-07   
857-244 2 Boston MA   829J PAETEC ITEL, LLC 128   2009-01-05   
857-244 3 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-20   
857-244 4 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-20   
857-244 5 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-06   
857-244 6 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-05-15   
857-244 7 Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-09-11   
857-244 8 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-06   
857-244 9 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-06   
857-245 A Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
857-245 0 Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2006-12-29   
857-245 1 Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2006-12-29   
857-245 2 Brookline MA   316E YMAX COMMUNICATIONS CORP. - MA 128   2006-12-29   
857-245 3 Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2006-12-29   
857-245 4 Brookline MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2006-12-29   
857-245 5 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-03-16   
857-245 6 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-03-16   
857-245 7 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-03-16   
857-245 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-04-23   
857-245 9 Brookline MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-03-16   
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   829J PAETEC ITEL, 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   
857-247 A Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-247 0 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 1 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 2 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 3 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 4 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 5 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 6 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 7 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 8 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-247 9 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-07-30   
857-248 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-248 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-05-06   
857-248 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-05-06   
857-248 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-03-15   
857-248 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-03-15   
857-248 4 Boston MA   829J PAETEC ITEL, LLC 128   2012-12-19   
857-248 5 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-03-15   
857-248 6 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-03-15   
857-248 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-10-01   
857-248 8 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-04-15   
857-248 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-06   
857-249 A Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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