Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-566 A Valley Center CA SNDGCA0263Z  965H FRACTEL, LLC 732      
442-566 0 Valley Center CA   649C ONVOY, LLC - CA 732   2023-08-11   
442-566 1 Valley Center CA   649C ONVOY, LLC - CA 732   2023-08-11   
442-566 2 Valley Center CA   649C ONVOY, LLC - CA 732   2023-08-11   
442-566 3 Valley Center CA   516J TON80 COMMUNICATIONS, LLC 732   2022-02-22   
442-566 4 Valley Center CA   649C ONVOY, LLC - CA 732   2023-08-11   
442-566 5 Valley Center CA   649C ONVOY, LLC - CA 732   2023-08-11   
442-566 6 Valley Center CA   965H FRACTEL, LLC 732   2021-11-20   
442-566 7 Valley Center CA   624H ONVOY SPECTRUM, LLC 732   2024-01-04   
442-566 8 Valley Center CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2023-10-13   
442-566 9 Valley Center CA   6529 T-MOBILE USA, INC. 732   2021-12-16   

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

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