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
857-335 1 Boston MA   892D ONVOY, LLC - MA 128   2020-06-15   
857-335 2 Boston MA   425J CSC WIRELESS, LLC 128   2019-07-28   
857-335 3 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-05   
857-335 4 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-05   
857-335 5 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2019-10-03   
857-335 6 Boston MA   5562 METRO PCS, INC. 128   2020-06-06   
857-335 7 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-335 8 Boston MA   892D ONVOY, LLC - MA 128   2020-06-15   
857-335 9 Boston MA   892D ONVOY, LLC - MA 128   2020-06-15   
857-336 A Winthrop MA   892D ONVOY, LLC - MA 128      
857-336 0 Winthrop MA   892D ONVOY, LLC - MA 128   2016-04-30   
857-336 1 Winthrop MA   892D ONVOY, LLC - MA 128   2016-04-30   
857-336 2 Winthrop MA   756G WIDE VOICE, LLC - MA 128   2016-05-01   
857-336 3 Winthrop MA   756G WIDE VOICE, LLC - MA 128   2016-05-01   
857-336 4 Winthrop MA   756G WIDE VOICE, LLC - MA 128   2016-05-01   
857-336 5 Winthrop MA   756G WIDE VOICE, LLC - MA 128   2016-05-01   
857-336 6 Winthrop MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-07-16   
857-336 7 Winthrop MA   756G WIDE VOICE, LLC - MA 128   2016-09-03   
857-336 8 Winthrop MA   966G LOCAL ACCESS LLC - MA 128   2016-07-01   
857-336 9 Winthrop MA   756G WIDE VOICE, LLC - MA 128   2016-09-03   
857-337 A Brookline MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-337 0 Brookline MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-12-05   
857-337 1 Brookline MA   892D ONVOY, LLC - MA 128   2016-01-14   
857-337 2 Brookline MA   892D ONVOY, LLC - MA 128   2017-05-09   
857-337 3 Brookline MA   732H BARR TELL USA, INC. - MA 128   2016-01-02   
857-337 4 Brookline MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-03-04   
857-337 5 Brookline MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-04-01   
857-337 6 Brookline MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-06-19   
857-337 7 Brookline MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-12-15   
857-337 8 Brookline MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-12-15   
857-337 9 Brookline MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-338 A Boston MA   7135 TC SYSTEMS, INC. 128   2018-03-26   
857-338 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-27   
857-338 1 Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2018-12-12   
857-338 2 Boston MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2018-03-27   
857-338 3 Boston MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2018-03-27   
857-338 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-19   
857-338 5 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-19   
857-338 6 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-19   
857-338 7 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-12   
857-338 8 Boston MA   7135 TC SYSTEMS, INC. 128   2018-03-26   
857-338 9 Boston MA   7135 TC SYSTEMS, INC. 128   2018-03-26   
857-341 A Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-04-11   
857-341 0 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-04-11   
857-341 1 Belmont MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-04-11   
857-341 2 Belmont MA   597F VOIP INNOVATIONS, LLC 128   2019-07-22   
857-341 3 Belmont MA   892D ONVOY, LLC - MA 128   2020-06-12   
857-341 4 Belmont MA   892D ONVOY, LLC - MA 128   2020-06-12   
857-342 A Hyde Park MA WRXBMAWACM3  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-10-06   
857-342 0 Hyde Park MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-10-06   

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

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