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: 972

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-972 A Ontario CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-972 0 Ontario CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-972 1 Ontario CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-972 2 Ontario CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-972 3 Ontario CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-972 4 Ontario CA   145J TERRA NOVA TELECOM INC. 730      
909-972 5 Ontario CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-972 6 Ontario CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-972 7 Ontario CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-972 8 Ontario CA ONTRCAXPXBY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
909-972 9 Ontario CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.