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: 209

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-209 A Milford UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-209 0 Milford UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2005-01-24   
435-209 7 Milford UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-12-22   
435-209 8 Milford UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-12-22   
435-209 9 Milford UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2016-11-27   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.