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.
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Switch: ONTRCAXPXNY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-740 1 Ontario CA 506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
909-765 9 Marshall CA 506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
909-805 A Mentone CA 506J TWILIO INTERNATIONAL, INC. 730      
909-805 8 Mentone CA 506J TWILIO INTERNATIONAL, INC. 730   2020-11-22   
909-893 A San Bernardino CA 506J TWILIO INTERNATIONAL, INC. 730      
909-893 8 San Bernardino CA 506J TWILIO INTERNATIONAL, INC. 730   2020-11-22   
909-897 A Crestline CA 506J TWILIO INTERNATIONAL, INC. 730      
909-897 8 Crestline CA 506J TWILIO INTERNATIONAL, INC. 730   2020-11-23   
951-540 A Lakeview-Nuevo CA 506J TWILIO INTERNATIONAL, INC. 730      
951-540 5 Lakeview-Nuevo CA 506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   

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

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