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: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-477 A Ridgecrest CA LSANCAJWIMD  965H FRACTEL, LLC 730      
442-477 0 Ridgecrest CA   6529 T-MOBILE USA, INC. 730   2021-06-25   
442-477 1 Ridgecrest CA   6529 T-MOBILE USA, INC. 730   2021-06-25   
442-477 2 Ridgecrest CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-477 3 Ridgecrest CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-477 4 Ridgecrest CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-477 5 Ridgecrest CA   624H ONVOY SPECTRUM, LLC 730   2025-02-10   
442-477 6 Ridgecrest CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-477 7 Ridgecrest CA   965H FRACTEL, LLC 730   2020-07-27   
442-477 8 Ridgecrest CA   6529 T-MOBILE USA, INC. 730   2020-11-13   
442-477 9 Ridgecrest CA   6529 T-MOBILE USA, INC. 730   2020-11-13   

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

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