Local Calling Guide

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Region: MA

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-321 6 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2011-06-09   
857-321 7 Boston MA   829J PAETEC ITEL, LLC 128   2011-06-23   
857-321 8 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-01-31   
857-321 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-06-26   
857-322 A East Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
857-322 0 East Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-03-18   
857-322 1 East Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2017-12-11   
857-322 2 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-12-12   
857-322 3 East Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-08-26   
857-322 4 East Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-05-31   
857-322 5 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-03-08   
857-322 6 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-08-16   
857-322 7 East Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-07-12   
857-322 8 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-24   
857-322 9 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-24   
857-323 A Chelsea MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
857-323 0 Chelsea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-04-21   
857-323 1 Chelsea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-10-16   
857-323 2 Chelsea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-17   
857-323 3 Chelsea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-17   
857-323 4 Chelsea MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2015-12-31   
857-323 5 Chelsea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-10   
857-323 6 Chelsea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-10-10   
857-323 7 Chelsea MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2013-09-30   
857-323 8 Chelsea MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128   2013-03-15   
857-323 9 Chelsea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-02-29   
857-324 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-324 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 4 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 5 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 6 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-11-13   
857-324 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 8 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-324 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-26   
857-325 A Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-325 0 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 1 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 2 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 3 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 4 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-15   
857-325 5 Newton MA CMBRMABEQMD  321J HD CARRIER LLC 128   2015-06-19   
857-325 6 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-07-19   
857-325 7 Newton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-16   
857-325 8 Newton MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
857-325 9 Newton MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-09-03   
857-326 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-326 0 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2020-06-06   
857-326 1 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2018-11-07   
857-326 2 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2018-11-07   
857-326 3 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2018-11-07   
857-326 4 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2018-11-07   
857-326 5 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-03-06   
857-326 6 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-03-06   
857-326 7 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2018-11-07   
857-326 8 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2018-11-07   
857-326 9 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2020-06-06   
857-327 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-327 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-04-03   
857-327 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-04-03   
857-327 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-06   
857-327 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-06   
857-327 4 Boston MA   829J PAETEC ITEL, LLC 128   2015-04-27   
857-327 5 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-15   
857-327 6 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2015-04-04   
857-327 7 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-15   
857-327 8 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-15   
857-327 9 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-15   
857-328 A Boston MA BSTPMALLXMD  597F VOIP INNOVATIONS, LLC 128      
857-328 0 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-05-18   
857-328 1 Boston MA BSTPMALLXMD  597F VOIP INNOVATIONS, LLC 128   2019-08-16   
857-328 2 Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 3 Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 4 Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 5 Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 6 Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 7 Boston MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 8 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-05-18   
857-328 9 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-05-18   
857-329 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-329 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 4 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 5 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 6 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 8 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-329 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-02   
857-330 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-330 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-11-15   
857-330 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-11-15   
857-330 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-11-15   
857-330 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-07-08   
857-330 4 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-12   
857-330 5 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-12   
857-330 6 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-12   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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