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.

Lowell, MA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-367 8 CHFRMANORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-367 9 CHFRMANORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-375 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-375 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-375 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-418 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 0 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 1 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 2 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-05-03   
978-418 4   145J TERRA NOVA TELECOM INC. 128   2025-08-29   
978-418 5 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 6 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 8 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-03-01   
978-421 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-421 0 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-421 1 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-421 2 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-421 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-06-19   
978-421 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-06-19   
978-421 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-11-07   
978-421 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-03   
978-421 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-12-30   
978-421 8 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-421 9 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-423 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-02-09   
978-423 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 7 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-423 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-427 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-427 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-09-22   
978-427 1 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2013-03-12   
978-427 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-10-01   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.