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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-220 A Moab UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-220 0 Moab UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-220 1 Moab UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-220 2 Moab UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2019-05-21   
435-220 3 Moab UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2019-05-21   
435-220 4 Moab UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2020-08-08   
435-220 5 Moab UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2020-08-08   
435-220 6 Moab UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-12-22   
435-220 7 Moab UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2021-03-02   
435-220 8 Moab UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-07-12   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.