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.

NPA: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 249

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-249 A Tooele UT SLKCUTMAXKY  318J COMCAST IP PHONE, LLC 660      
435-249 0 Tooele UT   318J COMCAST IP PHONE, LLC 660   2006-03-20   
435-249 1 Tooele UT   6529 T-MOBILE USA, INC. 660   2007-09-06   
435-249 2 Tooele UT   6529 T-MOBILE USA, INC. 660   2010-04-13   
435-249 3 Tooele UT   6529 T-MOBILE USA, INC. 660   2010-04-13   
435-249 4 Tooele UT   871E ONVOY, LLC - UT 660   2008-06-14   
435-249 5 Tooele UT   145J TERRA NOVA TELECOM INC. 660   2025-02-14   
435-249 6 Tooele UT   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2025-10-25   
435-249 7 Tooele UT   871E ONVOY, LLC - UT 660   2006-11-10   
435-249 8 Tooele UT   6529 T-MOBILE USA, INC. 660   2010-04-13   
435-249 9 Tooele UT   6529 T-MOBILE USA, INC. 660   2010-04-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.