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: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-255 A Orinda CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-255 0 Orinda CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-13   
925-255 1 Orinda CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-13   
925-255 2 Orinda CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-255 3 Orinda CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2002-12-22   
925-255 4 Orinda CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-22   
925-255 5 Orinda CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
925-255 6 Orinda CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2007-12-06   
925-255 7 Orinda CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-29   
925-255 8 Orinda CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2011-11-11   
925-255 9 Orinda CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-29   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.