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
857-577 7 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-11   
857-577 8 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-11   
857-577 9 Charlestown MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-12   
857-578 A Newton MA BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128      
857-578 0 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-578 1 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-578 2 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-28   
857-578 3 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-28   
857-578 4 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-28   
857-578 5 Newton MA BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-11   
857-578 6 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-28   
857-578 7 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-578 8 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-578 9 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-579 A Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-21   
857-579 3 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-21   
857-579 4 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-21   
857-579 5 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-21   
857-579 6 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-21   
857-579 7 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-21   
857-579 8 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-21   
857-579 9 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2025-02-21   
857-587 A Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-587 0 Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-22   
857-587 1 Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-22   
857-587 2 Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
857-587 3 Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
857-587 4 Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
857-587 5 Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
857-587 6 Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
857-587 7 Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-03-21   
857-587 8 Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
857-587 9 Dorchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
857-588 A Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-588 0 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-588 1 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
857-588 2 Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
857-588 3 Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
857-588 4 Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
857-588 5 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-588 6 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-588 7 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-588 8 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-588 9 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-597 A Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-597 0 Winthrop MA BSTPMALLOMD  073H TELNYX LLC 128   2021-06-04   
857-597 1 Winthrop MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-597 2 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-597 3 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-597 4 Winthrop MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2024-09-09   
857-597 5 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-03   
857-597 6 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-19   
857-597 7 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-597 8 Winthrop MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
857-597 9 Winthrop MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-598 A Milton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-598 0 Milton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-598 1 Milton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-598 2 Milton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-10   
857-598 3 Milton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-598 4 Milton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-09-10   
857-598 5 Milton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-04   
857-598 6 Milton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2011-08-27   
857-598 7 Milton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-03   
857-598 8 Milton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
857-598 9 Milton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2012-03-24   
857-600 A Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-600 0 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-05   
857-600 1 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-05   
857-600 2 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-05   
857-600 3 Cambridge MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2011-06-07   
857-600 4 Cambridge MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2011-06-07   
857-600 6 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-07   
857-600 8 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-07   
857-600 9 Cambridge MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-06-07   
857-605 A Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-605 0 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-29   
857-605 1 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-10-18   
857-605 2 Brighton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-11-03   
857-605 3 Brighton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-11-03   
857-605 4 Brighton MA   5562 METROPCS, INC. 128   2024-11-13   
857-605 5 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
857-605 6 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
857-605 7 Brighton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
857-605 8 Brighton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
857-605 9 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-11-25   
857-615 A Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-615 0 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 1 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 2 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 3 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 4 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 5 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 6 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 7 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 8 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-615 9 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2009-08-10   
857-626 A Belmont MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-626 0 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-09   
857-626 1 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   

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

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