Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 775 [Rate centres in NPA 775] [Dial plan for NPA 775]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
775-578 A Paradise Valley NV PRVYNV11RS3  3304 HUMBOLDT TELEPHONE COMPANY 720      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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