Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SWWRNVAARL0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
775-545 A Sweetwater NV 4421 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV 720      
775-545 0 Sweetwater NV 4421 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV 720      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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