Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: GRDVNVXADS0

Remotes:

Switch Switch name Switch type
CEVLCAXFRS6  COLEVILLE  RSC 
GVRSNVXFRS2  GARDNERVILLE REMOTE  RSC 
JKVYNVXFRS3  JACKS VALLEY  RSC 
MINANVABRL0  MONTGOMERY PASS  NAN 
SMTHNVXFRS1  SMITH VALLEY  RSC 
SWWRNVAARL0  SWEETWATER  NAN 
TPLKNVXARS5  TOPAZ LAKE  RSC 
WDFRCAXFRS1  ALPINE/WOODSFORD  RSC 
YRTNNVXARS1  YERINGTON  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
775-782 A Gardnerville NV 4421 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV 720      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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