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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-448 A Elkhart TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-448 1 Elkhart TX FRFDTXXBBMD  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2023-11-05   
903-448 7 Elkhart TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-08-28   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.