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
857-777 4 Cambridge MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2015-06-07   
857-777 5 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2012-08-03   
857-777 6 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-12-15   
857-777 7 Cambridge MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-04-26   
857-777 8 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   
857-777 9 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   
857-788 A Boston MA CMBRMABEXFX  622J SKYE TELECOM LLC DBA SKYETEL 128      
857-788 0 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-10-06   
857-788 1 Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-17   
857-788 2 Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-17   
857-788 3 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-788 4 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-788 5 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-788 6 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-788 7 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-02-03   
857-788 8 Boston MA CMBRMABEXFX  622J SKYE TELECOM LLC DBA SKYETEL 128   2021-10-24   
857-788 9 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-799 A Cambridge MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-799 0 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-05-20   
857-799 1 Cambridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-25   
857-799 2 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-12-06   
857-799 3 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-12-06   
857-799 4 Cambridge MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2022-10-21   
857-799 5 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-11-27   
857-799 6 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-11-27   
857-799 7 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-11-27   
857-799 8 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-11-27   
857-799 9 Cambridge MA CMBRMABEQMD  321J HD CARRIER LLC 128   2018-12-29   
857-800 A Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-800 0 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2015-05-22   
857-800 1 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-07-23   
857-800 2 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-07-23   
857-800 3 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-07-23   
857-800 4 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-07-23   
857-800 5 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-07-23   
857-800 6 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2016-06-19   
857-800 7 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2016-06-19   
857-800 8 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2015-05-22   
857-800 9 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2015-05-22   
857-810 A Boston MA CMBRMABEX6X  566J RADIANTIQ LLC 128      
857-810 0 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   
857-810 1 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   
857-810 2 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   
857-810 3 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   
857-810 4 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   
857-810 5 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   
857-810 6 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   
857-810 7 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   
857-810 8 Boston MA CMBRMABEX6X  566J RADIANTIQ LLC 128   2021-05-10   
857-810 9 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-12   

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

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