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: 935

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-935 A Ontario CA LSANCARC5KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 730      
909-935 0 Ontario CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-935 1 Ontario CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-935 2 Ontario CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-935 3 Ontario CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2020-10-01   
909-935 4 Ontario CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2020-10-01   
909-935 5 Ontario CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-11-09   
909-935 6 Ontario CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-11-09   
909-935 7 Ontario CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-11-09   
909-935 8 Ontario CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-935 9 Ontario CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-12-19   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.