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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-310 A Lafayette CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-310 0 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 1 Lafayette CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-310 2 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 3 Lafayette CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-310 4 Lafayette CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-310 5 Lafayette CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-310 6 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 7 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 8 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 9 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.