Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Eureka, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
707-854 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2020-12-19   
707-854 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2020-12-19   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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