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: 806 [Rate centres in NPA 806] [Dial plan for NPA 806]

NXX: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-223 A Amarillo TX AMRLTXDRSMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-223 0 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546      
806-223 1 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546      
806-223 2 Amarillo TX AMRLTX02XBX  004F BANDWIDTH.COM CLEC, LLC - TX 546      
806-223 3 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      
806-223 4 Amarillo TX AMRLTXDRSMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-223 5 Amarillo TX AMRLTX02X2X  5562 METROPCS, INC. 546      
806-223 6 Amarillo TX AMRLTX02X2X  5562 METROPCS, INC. 546      
806-223 7 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      
806-223 8 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      
806-223 9 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.