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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-580 A Nephi UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660      
435-580 0 Nephi UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2005-05-20   
435-580 2 Nephi UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-12-15   
435-580 3 Nephi UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2022-11-30   
435-580 4 Nephi UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2004-06-03   
435-580 5 Nephi UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-12-15   
435-580 6 Nephi UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-12-15   
435-580 7 Nephi UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-12-15   
435-580 8 Nephi UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-09-26   
435-580 9 Nephi UT DRPRUTKJ0MD  5562 METROPCS, INC. 660      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.