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: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 413

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-413 A Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 0 Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 1 Fort Worth TX DLLSTXHM4MD  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552   2013-03-08   
817-413 2 Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 3 Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 4 Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 5 Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 6 Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 7 Fort Worth TX DLLTTX01CMD  5562 METROPCS, INC. 552   2020-12-28   
817-413 8 Fort Worth TX DLLTTX01CMD  5562 METROPCS, INC. 552   2014-12-26   
817-413 9 Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.