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: 996

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-996 A Leonard TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-996 1 Leonard TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552      
903-996 2 Leonard TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-996 3 Leonard TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-996 4 Leonard TX SHMNTXXARMD  624H ONVOY SPECTRUM, LLC 552      
903-996 7 Leonard TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
903-996 8 Leonard TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.