Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Randolph, MA

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
781-506 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-29   
781-506 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-29   
781-506 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   
781-506 6 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-10-05   
781-506 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
781-506 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-04-16   
781-506 9 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-510 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-01-31   
781-510 5 SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2016-01-01   
781-510 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 7 BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
781-510 8   515J IP HORIZON LLC 128   2015-03-26   
781-510 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-607 A BSTNMALBDS1  7135 TC SYSTEMS, INC. 128      
781-607 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-04-16   
781-607 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-11-28   
781-607 2 BSTNMALBDS1  7135 TC SYSTEMS, INC. 128      
781-607 3 BSTNMALBDS1  7135 TC SYSTEMS, INC. 128      
781-607 4 BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-05   
781-607 5 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-06-16   
781-607 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
781-607 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-19   
781-607 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-04-16   
781-607 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-08-23   
781-767 A RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 0 RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 1 RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 2 RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 3 RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 4 RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 5 RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 6 RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 7 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
781-767 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-08-23   
781-767 9 RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-785 A   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-785 0   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-785 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-04-16   
781-785 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-01-01   
781-785 3 CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-785 4 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-01-01   
781-785 5 BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
781-785 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   
781-785 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   
781-785 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
781-785 9 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-27   
781-805 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-805 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-09-01   
781-805 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-09-01   
781-805 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-09-01   
781-805 3 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-24   
781-805 4 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-24   
781-805 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-05-19   
781-805 6   829J PAETEC ITEL, LLC 128   2015-10-26   
781-805 7   145J TERRA NOVA TELECOM INC. 128   2022-08-21   
781-805 8 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-11-10   
781-805 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-12-15   
781-807 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
781-807 0 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2020-04-01   
781-807 1 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2022-10-19   
781-807 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-04-25   
781-807 3 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-12   
781-807 4 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-12   
781-807 5 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-12   
781-807 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-08-21   
781-807 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-08-21   
781-807 8 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2019-07-05   
781-807 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-04-23   
781-815 A   829J PAETEC ITEL, LLC 128      
781-815 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-08-23   
781-815 1   829J PAETEC ITEL, LLC 128      
781-815 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-02-19   
781-815 4 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-02-25   
781-815 5 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2010-08-26   
781-815 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   
781-815 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   
781-815 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-07-30   
781-815 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-07-30   
781-824 A STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-824 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-07-30   
781-824 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-07-30   
781-824 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   
781-824 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   
781-824 4 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
781-824 5 SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
781-824 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-07-22   
781-824 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-07-22   
781-824 8 STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-824 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-07-30   
781-885 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
781-885 0 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
781-885 1 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
781-885 2 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
781-885 3 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-07-08   
781-885 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   

<< 1 2 3 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.