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: 801 [Rate centres in NPA 801] [Dial plan for NPA 801]

NXX: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
801-643 A Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 0 Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 1 Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 2 Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 3 Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 4 Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 5 Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 6 Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 7 Kaysville UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
801-643 8 Kaysville UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2004-09-04   
801-643 9 Kaysville UT DRPRUTKJ0MD  6529 T-MOBILE USA, INC. 660   2006-06-08   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.