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.

Switch: AMRLTXUTDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-214 A Amarillo TX 4913 NTS COMMUNICATIONS, INC. 546   2004-05-17   
806-331 A Amarillo TX 4913 NTS COMMUNICATIONS, INC. 546      
806-550 A Pampa TX 4913 NTS COMMUNICATIONS, INC. 546   2004-10-08   
806-688 A Pampa TX 4913 NTS COMMUNICATIONS, INC. 546      
806-734 A Pampa TX 4913 NTS COMMUNICATIONS, INC. 546   2004-05-17   
806-737 A Amarillo TX 4913 NTS COMMUNICATIONS, INC. 546   2004-10-08   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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