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: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-578 A Fontana CA   899D METROPCS NETWORKS, LLC 730      
909-578 0 Fontana CA LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-10-19   
909-578 1 Fontana CA   899D METROPCS NETWORKS, LLC 730      
909-578 2 Fontana CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-578 3 Fontana CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-578 4 Fontana CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-578 5 Fontana CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-578 6 Fontana CA   899D METROPCS NETWORKS, LLC 730      
909-578 7 Fontana CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-578 8 Fontana CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-578 9 Fontana CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.