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.

Amarillo, TX

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
806-356 8 AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-356 9 AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-358 A AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-359 A AMRLTXFLDS0  9533 SOUTHWESTERN BELL 546      
806-367 A AMRLTX02XRX  318C CEBRIDGE TELECOM TX , L.P. - TX 546      
806-367 0 AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2006-03-05   
806-367 1 AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2006-03-05   
806-367 2 AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2006-03-05   
806-367 3 AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2007-02-15   
806-367 4 AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2007-02-15   
806-367 5 AMRLTX02XRX  318C CEBRIDGE TELECOM TX , L.P. - TX 546   2006-05-28   
806-367 6 AMRLTX02XRX  318C CEBRIDGE TELECOM TX , L.P. - TX 546   2004-07-01   
806-367 7 AMRLTX02XRX  318C CEBRIDGE TELECOM TX , L.P. - TX 546   2005-02-06   
806-367 8 AMRLTX02XRX  318C CEBRIDGE TELECOM TX , L.P. - TX 546   2005-02-06   
806-367 9 AMRLTX02XRX  318C CEBRIDGE TELECOM TX , L.P. - TX 546   2006-01-10   
806-371 A AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 A AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 0 AMRLTXDRX4X  145J TERRA NOVA TELECOM INC. 546   2023-08-06   
806-372 1 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 2 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 3 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 4 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 5 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 6 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 7 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 8 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-372 9 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-373 A AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-374 A AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 A AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 0 AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2013-03-09   
806-376 1 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 2 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 3 AMRLTX9843Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 546   2013-09-28   
806-376 4 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 5 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 6 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 7 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 8 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-376 9 AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-378 A AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-379 A AMRLTX02DS0  9533 SOUTHWESTERN BELL 546      
806-380 A AMRLTX98DS4  0132 AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 546      
806-381 A AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 0 AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 1 AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 2 AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 3 AMRLTXDRSMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2016-01-03   
806-381 4 AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      
806-381 5 AMRLTXEVDS0  9533 SOUTHWESTERN BELL 546      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.