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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
806-677 A Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-677 0 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-677 1 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-677 2 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-677 3 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      
806-677 4 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      
806-677 5 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-677 6 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      
806-677 7 Amarillo TX AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-677 8 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      
806-677 9 Amarillo TX AMRLTX02X1Y  6529 T-MOBILE USA, INC. 546      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.