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: 214 [Rate centres in NPA 214] [Dial plan for NPA 214]

NXX: 774

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-774 A Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
214-774 0 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
214-774 1 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
214-774 2 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-10-03   
214-774 3 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
214-774 4 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-10-03   
214-774 5 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
214-774 6 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
214-774 7 Dallas TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-06-06   
214-774 8 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
214-774 9 Dallas TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2007-07-27   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.