Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-903 A Chino CA COVNCAXFX1Y  506J TWILIO INTERNATIONAL, INC. 730      
909-903 0 Chino CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-08-15   
909-903 1 Chino CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-08-15   
909-903 2 Chino CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-08-15   
909-903 3 Chino CA   649C ONVOY, LLC - CA 730   2020-08-14   
909-903 4 Chino CA   649C ONVOY, LLC - CA 730   2020-08-14   
909-903 5 Chino CA   649C ONVOY, LLC - CA 730   2020-08-14   
909-903 6 Chino CA   649C ONVOY, LLC - CA 730   2020-08-14   
909-903 7 Chino CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-08-15   
909-903 8 Chino CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-08-15   
909-903 9 Chino CA   506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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