Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Topaz Lake, NV

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
775-266 A TPLKNVXARS5  4421 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV 720      
775-266 1 TPLKNVXARS5  4421 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV 720      
775-266 2 RENONV020MD  811D UTILITY TELECOM GROUP, LLC - NV 720   2010-03-22   
775-266 3 TPLKNVXARS5  4421 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV 720      
775-266 4 TPLKNVXARS5  4421 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV 720      
775-266 5 RENONVMPX5X  516J TON80 COMMUNICATIONS, LLC 720   2022-04-11   
775-266 6 RENONV12OMD  965H FRACTEL, LLC 720   2020-08-21   
775-266 8 RENONV029MD  075F BANDWIDTH.COM CLEC, LLC - NV 720   2008-12-01   
775-266 9 TPLKNVXARS5  4421 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV 720      
775-581 A RENONV126MD  4805 LEVEL 3 COMMUNICATIONS, LLC - NV 720      
775-581 0 RENONV126MD  4805 LEVEL 3 COMMUNICATIONS, LLC - NV 720      
775-581 1   145J TERRA NOVA TELECOM INC. 720   2025-07-07   
775-581 2   145J TERRA NOVA TELECOM INC. 720   2026-03-16   
775-581 3 RENONV126MD  4805 LEVEL 3 COMMUNICATIONS, LLC - NV 720   2006-01-20   
775-581 4 RENONV126MD  4805 LEVEL 3 COMMUNICATIONS, LLC - NV 720   2005-07-26   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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