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: AMRLTX02XZX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-290 A Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546      
806-290 9 Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546   2003-12-21   
806-310 4 Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546   2017-10-11   
806-318 A Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546      
806-318 4 Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546   2010-08-20   
806-318 9 Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546   2008-08-27   
806-621 3 Borger TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546   2017-01-23   
806-656 3 Canyon TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546   2016-04-11   
806-731 8 Amarillo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546   2014-06-10   
806-878 6 Stinnett TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 546   2017-04-24   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.