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: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-405 A Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-405 0 Tyler TX LGVWTXBA12Z  6529 T-MOBILE USA, INC. 554      
903-405 1 Tyler TX LGVWTXBA40Z  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      
903-405 2 Tyler TX LGVWTXBA40Z  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      
903-405 3 Tyler TX LGVWTXBA40Z  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      
903-405 4 Tyler TX LGVWTXBA40Z  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      
903-405 5 Tyler TX LGVWTXPLNMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 554      
903-405 6 Tyler TX LGVWTXTLX8X  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 554      
903-405 7 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-405 8 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-405 9 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.