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: HSTNTXBWDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-416 A Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-416 0 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-416 1 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-416 2 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-416 7 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-416 8 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-416 9 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-437 A Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-438 A Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-810 A Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-810 0 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 A Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 0 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 1 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 2 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 3 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 5 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 6 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 7 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 8 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      
281-835 9 Houston Suburban TX 9533 SOUTHWESTERN BELL 560      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.