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: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-377 A Baker CA LSANCAJWIMD  965H FRACTEL, LLC 730      
442-377 0 Baker CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-377 1 Baker CA   939H COMMIO, LLC 730   2022-12-01   
442-377 4 Baker CA   624H ONVOY SPECTRUM, LLC 730   2021-07-20   
442-377 6 Baker CA   624H ONVOY SPECTRUM, LLC 730   2021-11-08   
442-377 7 Baker CA   965H FRACTEL, LLC 730   2021-05-07   
442-377 8 Baker CA   624H ONVOY SPECTRUM, LLC 730   2021-11-08   

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

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