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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-227 A Logan UT SLKDUTITAMD  2982 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - UT 660      
435-227 0 Logan UT SLKDUTITAMD  2982 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - UT 660      
435-227 1 Logan UT SLKDUTITAMD  2982 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - UT 660      
435-227 2 Logan UT SLKDUTITAMD  2982 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - UT 660      
435-227 3 Logan UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-02-12   
435-227 4 Logan UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-01-28   
435-227 5 Logan UT SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2009-02-08   
435-227 6 Logan UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2004-12-12   
435-227 7 Logan UT SLKDUTITAMD  2982 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - UT 660      
435-227 8 Logan UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-02-12   
435-227 9 Logan UT SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.