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: 413

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-413 A Encinitas CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
442-413 0 Encinitas CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2025-10-04   
442-413 6 Encinitas CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-30   
442-413 7 Encinitas CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2024-10-05   
442-413 9 Encinitas CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2023-10-13   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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