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 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
781-506 0   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-08-23   
781-506 1   892D ONVOY, LLC - MA 128   2010-03-15   
781-506 2   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-29   
781-506 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-29   
781-506 4   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-10-29   
781-506 5   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   
781-506 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-10-05   
781-506 7   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
781-506 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-04-16   
781-506 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-510 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 0   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 1   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 2   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 4   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-01-31   
781-510 5   732H BARR TELL USA, INC. - MA 128   2016-01-01   
781-510 6   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-510 7   508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
781-510 8   515J IP HORIZON LLC 128   2015-03-26   
781-510 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
781-607 A BSTNMALBDS1  7135 TC SYSTEMS, INC. 128      
781-607 0   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-04-16   
781-607 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-11-28   
781-607 2   7135 TC SYSTEMS, INC. 128      
781-607 3   7135 TC SYSTEMS, INC. 128      
781-607 4   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-05   
781-607 5   892D ONVOY, LLC - MA 128   2018-06-16   
781-607 6   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-11-10   
781-607 7   892D ONVOY, LLC - MA 128   2012-03-19   
781-607 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-04-16   
781-607 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-08-23   
781-767 A RNDHMAMERP0  9102 VERIZON NEW ENGLAND INC. 128      
781-767 0   9102 VERIZON NEW ENGLAND INC. 128      
781-767 1   9102 VERIZON NEW ENGLAND INC. 128      
781-767 2   9102 VERIZON NEW ENGLAND INC. 128      
781-767 3   9102 VERIZON NEW ENGLAND INC. 128      
781-767 4   9102 VERIZON NEW ENGLAND INC. 128      
781-767 5   9102 VERIZON NEW ENGLAND INC. 128      
781-767 6   9102 VERIZON NEW ENGLAND INC. 128      
781-767 7   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
781-767 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-08-23   
781-767 9   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   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-04-16   
781-785 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-01-01   
781-785 3   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-785 5   318J COMCAST IP PHONE, LLC 128      
781-785 6   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-02-11   

<< 1 2 3 4 5 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.