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.

Leominster, MA

1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
351-230 A NRTNMAAACM4  5562 METROPCS, INC. 128   2024-01-09   
351-230 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-09-22   
351-230 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-11-15   
351-230 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
351-230 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-09-07   
351-230 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-09-22   
351-230 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-11-01   
351-230 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-09-22   
351-230 7 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   
351-230 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-09-06   
351-230 9 NRTNMAAACM4  5562 METROPCS, INC. 128   2022-04-04   
351-356 A SOVLMAABAMD  965H FRACTEL, LLC 128      
351-356 0 BSTPMALLOMD  073H TELNYX LLC 128   2021-03-04   
351-356 1 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
351-356 2 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
351-356 3 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-09-16   
351-356 4 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-09-19   
351-356 6 CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-09-19   
351-356 7 SOVLMAABAMD  965H FRACTEL, LLC 128   2020-09-18   
351-356 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-09   
351-356 9 SOVLMAABAMD  965H FRACTEL, LLC 128   2020-09-18   
978-227 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-227 0 MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-227 1 BRTNMACOX2X  829J PAETEC ITEL, LLC 128   2002-10-16   
978-227 2 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-02-01   
978-227 3 BRTNMACOX1X  829J PAETEC ITEL, LLC 128   2006-08-11   
978-227 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-05-28   
978-227 5 NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-227 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-03-05   
978-227 7 NRTNMAAACM4  5562 METROPCS, INC. 128   2015-10-08   
978-227 8 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-06-22   
978-227 9   515J IP HORIZON LLC 128   2016-07-01   
978-230 A NRTNMAAACM4  5562 METROPCS, INC. 128   2024-01-09   
978-230 0 BSTPMALLOMD  073H TELNYX LLC 128   2017-04-19   
978-230 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-04-12   
978-230 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-09-20   
978-230 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-11-26   
978-230 5 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-09-30   
978-230 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-03-28   
978-230 7 CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
978-230 8 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
978-230 9 NRTNMAAACM4  5562 METROPCS, INC. 128   2008-12-15   
978-235 A NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-235 0 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-235 1 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-235 2 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-235 3 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-235 4 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-235 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-235 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

1 2 3 4 >>

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.