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: TYLRTXLYDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
903-262 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-363 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-377 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-507 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-510 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-525 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-526 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-528 A Tyler TX 6591 TELETOUCH COMMUNICATIONS, INC. 554      
903-531 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-533 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-535 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-590 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-591 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-592 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-593 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-594 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-595 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-596 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-597 A Tyler TX 9533 SOUTHWESTERN BELL 554      
903-606 A Tyler TX 9533 SOUTHWESTERN BELL 554   2011-04-16   
903-607 A Tyler TX 9533 SOUTHWESTERN BELL 554   2011-04-17   
903-840 A Tyler TX 6591 TELETOUCH COMMUNICATIONS, INC. 554      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.