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: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-283 A Tyler TX LGVWTXTLX1X  7421 AT&T - LOCAL 554      
903-283 0 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-283 1 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-283 2 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-283 3 Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-283 4 Tyler TX LGVWTXBA12Z  5562 METROPCS, INC. 554      
903-283 5 Tyler TX LGVWTXBA12Z  5562 METROPCS, INC. 554      
903-283 6 Tyler TX LGVWTXBA47Z  6529 T-MOBILE USA, INC. 554      
903-283 7 Tyler TX LGVWTXBA12Z  5562 METROPCS, INC. 554      
903-283 8 Tyler TX LGVWTXBA12Z  5562 METROPCS, INC. 554      
903-283 9 Tyler TX LGVWTXTLX1X  7421 AT&T - LOCAL 554      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.