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
857-332 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-05   
857-332 8 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2018-11-14   
857-332 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-05   
857-333 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-333 0 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2011-02-18   
857-333 1 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2011-02-18   
857-333 2 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2011-02-18   
857-333 3 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2011-02-18   
857-333 4 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2011-02-18   
857-333 5 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-12-16   
857-333 6 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-12-16   
857-333 7 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-12-16   
857-333 8 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-12-16   
857-333 9 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-01-07   
857-334 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-334 0 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-12-04   
857-334 1 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-12-04   
857-334 2 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-12-04   
857-334 3 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-12-15   
857-334 4 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-11-13   
857-334 5 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-11-13   
857-334 6 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-11-11   
857-334 7 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-11-11   
857-334 8 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-11-11   
857-334 9 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-11-11   
857-335 A Boston MA BSTPMALLX0X  425J CSC WIRELESS, LLC 128      
857-335 0 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2020-06-06   
857-335 1 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-15   
857-335 2 Boston MA BSTPMALLX0X  425J CSC WIRELESS, LLC 128   2019-07-28   
857-335 3 Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-05   
857-335 4 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-26   
857-335 5 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2019-10-03   
857-335 6 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2020-06-06   
857-335 7 Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-335 8 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-15   
857-335 9 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-15   
857-336 A Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-336 0 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-30   
857-336 1 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-30   
857-336 2 Winthrop MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-01   
857-336 3 Winthrop MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-01   
857-336 4 Winthrop MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-01   
857-336 5 Winthrop MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-01   
857-336 6 Winthrop MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2016-07-16   
857-336 8 Winthrop MA   515J IP HORIZON LLC 128   2016-07-01   
857-336 9 Winthrop MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
857-337 A Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-337 0 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-12-05   
857-337 1 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-01-14   
857-337 2 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-05-09   
857-337 3 Brookline MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2016-01-02   
857-337 4 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-03-04   
857-337 5 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-04-01   
857-337 6 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-06-19   
857-337 7 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-12-15   
857-337 8 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-12-15   
857-337 9 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-338 A Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
857-338 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-27   
857-338 1 Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2018-12-12   
857-338 2 Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2018-03-27   
857-338 3 Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2018-03-27   
857-338 4 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-19   
857-338 5 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-19   
857-338 6 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-19   
857-338 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-12-12   
857-338 8 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128   2018-03-26   
857-338 9 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128   2018-03-26   
857-339 A Roxbury MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-04-13   
857-339 0 Roxbury MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-04-13   
857-339 1 Roxbury MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-04-13   
857-339 2 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
857-339 3 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
857-339 4 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
857-339 5 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
857-339 6 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
857-339 7 Roxbury MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-31   
857-339 8 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-06-10   
857-339 9 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-06-10   
857-340 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-340 0 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-12-06   
857-340 1 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-12-06   
857-340 2 Brookline MA BSTPMALLOMD  073H TELNYX LLC 128   2021-03-04   
857-340 3 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-08-08   
857-340 4 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-12   
857-340 5 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-12   
857-340 6 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-12   
857-340 7 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-02-05   
857-340 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-02-05   
857-340 9 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-11-13   
857-341 A Belmont MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-341 0 Belmont MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-04-11   
857-341 1 Belmont MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-04-11   
857-341 2 Belmont MA BSTPMALLXMD  597F VOIP INNOVATIONS, LLC 128   2019-07-22   
857-341 3 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-12   
857-341 4 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-12   
857-341 5 Belmont MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-05   
857-341 6 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
857-341 7 Belmont MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
857-341 8 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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