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: 884

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-884 A Bishop Ranch CA OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-884 0 Bishop Ranch CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-884 2 Bishop Ranch CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-884 3 Bishop Ranch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-884 5 Bishop Ranch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-13   
925-884 6 Bishop Ranch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-13   
925-884 7 Bishop Ranch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-06-13   
925-884 8 Bishop Ranch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.