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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-374 A Fallbrook CA   939H COMMIO, LLC 732      
442-374 0 Fallbrook CA SNDGCA02XHX  939H COMMIO, LLC 732   2024-01-20   
442-374 1 Fallbrook CA SNDGCA02XHX  939H COMMIO, LLC 732   2024-01-20   
442-374 2 Fallbrook CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2025-06-27   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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