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: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-233 A Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 0 Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 1 Sunol CA   515J IP HORIZON LLC 722      
925-233 2 Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 3 Sunol CA SNJUCACL3MD  073H TELNYX LLC 722      
925-233 4 Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 5 Sunol CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-233 6 Sunol CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-233 7 Sunol CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-233 8 Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 9 Sunol CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.