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: 415

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-415 A Berlin MA   829J PAETEC ITEL, LLC 128      
978-415 0 Berlin MA   792K CHARTER IP ENABLED SERVICES, LLC 128   2005-01-01   
978-415 4 Berlin MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-13   
978-415 5 Berlin MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
978-415 6 Berlin MA   829J PAETEC ITEL, LLC 128      
978-415 7 Berlin MA   508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
978-415 8 Berlin MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-415 9 Berlin MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.