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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-800 A Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-800 0 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-800 1 Livermore CA   515J IP HORIZON LLC 722      
925-800 2 Livermore CA   515J IP HORIZON LLC 722      
925-800 3 Livermore CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-800 4 Livermore CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
925-800 5 Livermore CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-800 6 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-800 7 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-800 8 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-800 9 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.