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: AMRLTXDRX4X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-334 6 Shamrock TX 145J TERRA NOVA TELECOM INC. 546      
806-372 0 Amarillo TX 145J TERRA NOVA TELECOM INC. 546      
806-457 8 Amarillo TX 145J TERRA NOVA TELECOM INC. 546      
806-484 A Amarillo TX 145J TERRA NOVA TELECOM INC. 546      
806-595 1 Skellytown TX 145J TERRA NOVA TELECOM INC. 546      
806-595 5 Skellytown TX 145J TERRA NOVA TELECOM INC. 546      
806-660 5 Pampa TX 145J TERRA NOVA TELECOM INC. 546      
806-661 2 Pampa TX 145J TERRA NOVA TELECOM INC. 546      
806-736 6 Gruver TX 145J TERRA NOVA TELECOM INC. 546      
806-838 8 Canyon TX 145J TERRA NOVA TELECOM INC. 546      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.