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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-526 A Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 0 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 1 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 2 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 3 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 4 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 5 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 6 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 7 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 8 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-526 9 Tyler TX LGVWTXBA37Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2007-10-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.