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
281-374 A Tomball EMS TX TBLLTXKLDS0  9533 SOUTHWESTERN BELL 560      
281-374 0 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-374 1 Tomball EMS TX   903C ONVOY, LLC - TX 560   2009-01-05   
281-374 2 Tomball EMS TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-09-16   
281-374 3 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-374 4 Tomball EMS TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-09-16   
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      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.