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: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-308 A West Newbury MA LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-308 0 West Newbury MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-05-16   
978-308 1 West Newbury MA LWRNMACAX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-07-10   
978-308 2 West Newbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-06   
978-308 5 West Newbury MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2007-02-01   
978-308 6 West Newbury MA LWRNMACAX1X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-308 8 West Newbury MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2008-08-28   
978-308 9 West Newbury MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.