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: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-594 A Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-594 0 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-594 1 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-594 2 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-594 3 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-594 4 Tyler TX LGVWTXPLNMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 554      
903-594 5 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-594 6 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-594 7 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      
903-594 8 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-594 9 Tyler TX TYLRTXLYDS0  9533 SOUTHWESTERN BELL 554      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.