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: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-456 A Sheldon TX HSTNTXSHRS0  9533 SOUTHWESTERN BELL 560      
281-456 0 Sheldon TX HSTNTXSHRS0  9533 SOUTHWESTERN BELL 560      
281-456 1 Sheldon TX HSTNTXSHRS0  9533 SOUTHWESTERN BELL 560      
281-456 2 Sheldon TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-456 3 Sheldon TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-456 4 Sheldon TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-456 5 Sheldon TX HSTNTXSHRS0  9533 SOUTHWESTERN BELL 560      
281-456 6 Sheldon TX HSTNTXSHRS0  9533 SOUTHWESTERN BELL 560      
281-456 7 Sheldon TX HSTNTXSHRS0  9533 SOUTHWESTERN BELL 560      
281-456 8 Sheldon TX HSTNTXSHRS0  9533 SOUTHWESTERN BELL 560      
281-456 9 Sheldon TX   145J TERRA NOVA TELECOM INC. 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.