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
857-338 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   939H COMMIO, LLC 128   2024-04-13   
857-339 0 Roxbury MA   939H COMMIO, LLC 128   2024-04-13   
857-339 1 Roxbury MA   939H COMMIO, LLC 128   2024-04-13   
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 BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-19   
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 BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-19   
857-341 8 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
857-341 9 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
857-342 A Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-342 0 Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-10-06   
857-342 1 Hyde Park MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
857-342 2 Hyde Park MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-18   
857-342 3 Hyde Park MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-26   
857-342 4 Hyde Park MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-04-07   
857-342 5 Hyde Park MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
857-342 6 Hyde Park MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128   2012-11-19   
857-342 7 Hyde Park MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2008-03-07   
857-342 8 Hyde Park MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2011-07-11   
857-342 9 Hyde Park MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-07-05   
857-343 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-343 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-05-07   
857-343 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-05-07   
857-343 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-05-07   
857-343 3 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-06-26   
857-343 4 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-343 5 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-343 6 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-343 7 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-343 8 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-06-16   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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