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: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-521 A San Bernardino CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-521 0 San Bernardino CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-521 1 San Bernardino CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-521 2 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-521 3 San Bernardino CA ANHMCAHLDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
909-521 4 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-521 5 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-521 6 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-521 7 San Bernardino CA ONTRCAXPXBY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
909-521 8 San Bernardino CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-521 9 San Bernardino CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.