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: 357

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-357 A Encinitas CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
442-357 0 Encinitas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2021-05-17   
442-357 1 Encinitas CA   649C ONVOY, LLC - CA 732   2021-08-09   
442-357 2 Encinitas CA   649C ONVOY, LLC - CA 732   2021-08-09   
442-357 3 Encinitas CA   649C ONVOY, LLC - CA 732   2021-08-09   
442-357 4 Encinitas CA   624H ONVOY SPECTRUM, LLC 732   2021-07-19   
442-357 5 Encinitas CA   649C ONVOY, LLC - CA 732   2021-08-09   
442-357 6 Encinitas CA   6529 T-MOBILE USA, INC. 732   2021-05-18   
442-357 7 Encinitas CA   6529 T-MOBILE USA, INC. 732   2021-05-18   
442-357 8 Encinitas CA   6529 T-MOBILE USA, INC. 732   2021-05-18   
442-357 9 Encinitas CA   6529 T-MOBILE USA, INC. 732   2021-05-18   

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

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