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: TOOLUTMADS0

Remotes:

Switch Switch name Switch type
GTVLUTMARS1  GRANTSVILLE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-277 A Tooele UT 9636 QWEST CORPORATION 660      
435-277 2 Tooele UT 9636 QWEST CORPORATION 660   2007-02-02   
435-277 4 Tooele UT 9636 QWEST CORPORATION 660   2007-02-02   
435-277 7 Tooele UT 9636 QWEST CORPORATION 660   2006-06-09   
435-277 8 Tooele UT 9636 QWEST CORPORATION 660   2006-06-09   
435-833 A Tooele UT 9636 QWEST CORPORATION 660      
435-843 A Tooele UT 9636 QWEST CORPORATION 660      
435-882 A Tooele UT 9636 QWEST CORPORATION 660      
435-884 7 Tooele UT 9636 QWEST CORPORATION 660   2006-10-23   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.