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.

NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-227 A Leominster MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-227 0 Leominster MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-227 1 Leominster MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2002-10-16   
978-227 2 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-02-01   
978-227 3 Leominster MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128   2006-08-11   
978-227 4 Leominster MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-05-28   
978-227 5 Leominster MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-227 6 Leominster MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-03-05   
978-227 7 Leominster MA NRTNMAAACM4  5562 METROPCS, INC. 128   2015-10-08   
978-227 8 Leominster MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-06-22   
978-227 9 Leominster MA   515J IP HORIZON LLC 128   2016-07-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.