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: 687

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-687 A Ontario CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-687 0 Ontario CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-687 1 Ontario CA SNBRCA01DS1  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
909-687 2 Ontario CA   515J IP HORIZON LLC 730      
909-687 3 Ontario CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-687 4 Ontario CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-687 5 Ontario CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-687 6 Ontario CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-687 7 Ontario CA ONTRCAXPXBY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
909-687 8 Ontario CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-687 9 Ontario CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.