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: TBLLTXKLDS0

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-251 A Tomball TX 9533 SOUTHWESTERN BELL 560      
281-257 A Tomball TX 9533 SOUTHWESTERN BELL 560      
281-320 A Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 0 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 1 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 2 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 3 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 5 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 6 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 7 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 8 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-320 9 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-370 A Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-374 A Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-374 0 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-374 3 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-374 5 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-374 6 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-374 7 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-374 8 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-374 9 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-376 A Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-378 A Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-378 0 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-378 1 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-378 9 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-379 A Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 A Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 0 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 1 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 2 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 4 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 5 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 6 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 7 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 8 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-655 9 Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
281-826 A Tomball TX 9533 SOUTHWESTERN BELL 560      
281-826 0 Tomball TX 9533 SOUTHWESTERN BELL 560      
281-826 7 Tomball TX 9533 SOUTHWESTERN BELL 560   2008-07-19   
281-826 8 Tomball TX 9533 SOUTHWESTERN BELL 560   2008-07-19   
346-246 A Tomball TX 9533 SOUTHWESTERN BELL 560      
346-246 6 Tomball TX 9533 SOUTHWESTERN BELL 560   2017-04-26   
832-534 A Tomball EMS TX 9533 SOUTHWESTERN BELL 560      
832-534 5 Tomball EMS TX 9533 SOUTHWESTERN BELL 560   2010-06-03   
832-534 6 Tomball EMS TX 9533 SOUTHWESTERN BELL 560   2010-06-03   
832-534 7 Tomball EMS TX 9533 SOUTHWESTERN BELL 560   2010-06-03   
832-717 A Tomball TX 9533 SOUTHWESTERN BELL 560      
832-717 0 Tomball TX 9533 SOUTHWESTERN BELL 560      
832-717 3 Tomball TX 9533 SOUTHWESTERN BELL 560      

1 2 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.