Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 818 [Rate centres in NPA 818] [Dial plan for NPA 818]

NXX: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-418 A La Crescenta CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
818-418 0 La Crescenta CA   649C ONVOY, LLC - CA 730   2024-02-29   
818-418 1 La Crescenta CA   649C ONVOY, LLC - CA 730   2024-02-29   
818-418 2 La Crescenta CA   649C ONVOY, LLC - CA 730   2024-04-18   
818-418 3 La Crescenta CA   649C ONVOY, LLC - CA 730   2024-04-18   
818-418 4 La Crescenta CA   649C ONVOY, LLC - CA 730   2024-05-23   
818-418 5 La Crescenta CA   649C ONVOY, LLC - CA 730   2024-06-29   
818-418 6 La Crescenta CA   649C ONVOY, LLC - CA 730   2024-06-29   
818-418 7 La Crescenta CA   6529 T-MOBILE USA, INC. 730   2024-06-29   
818-418 8 La Crescenta CA   649C ONVOY, LLC - CA 730   2024-02-29   
818-418 9 La Crescenta CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-23   

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

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