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: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-401 A Tomball EMS TX TBLLTXTBDS0  9533 SOUTHWESTERN BELL 560      
281-401 0 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 1 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 2 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 3 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 4 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 5 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 6 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 7 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 8 Tomball EMS TX   4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560   2003-10-22   
281-401 9 Tomball EMS TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-01   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.