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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-310 A Chino CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2024-01-23   
909-310 0 Chino CA   649C ONVOY, LLC - CA 730   2016-06-18   
909-310 1 Chino CA   649C ONVOY, LLC - CA 730   2016-06-18   
909-310 2 Chino CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-21   
909-310 3 Chino CA   649C ONVOY, LLC - CA 730   2016-07-31   
909-310 4 Chino CA   649C ONVOY, LLC - CA 730   2016-07-31   
909-310 5 Chino CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-29   
909-310 6 Chino CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2017-08-25   
909-310 7 Chino CA   649C ONVOY, LLC - CA 730   2016-06-10   
909-310 8 Chino CA   649C ONVOY, LLC - CA 730   2016-06-10   
909-310 9 Chino CA   649C ONVOY, LLC - CA 730   2022-08-21   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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