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: 841

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-841 A Fort Worth TX FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-841 0 Fort Worth TX DLLTTXID1MD  5562 METROPCS, INC. 552   2009-02-19   
817-841 1 Fort Worth TX   515J IP HORIZON LLC 552   2013-05-05   
817-841 2 Fort Worth TX DLLTTXID1MD  5562 METROPCS, INC. 552   2009-02-19   
817-841 3 Fort Worth TX FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-841 4 Fort Worth TX DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-841 5 Fort Worth TX DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-841 6 Fort Worth TX DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-841 7 Fort Worth TX DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-841 8 Fort Worth TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-12-10   
817-841 9 Fort Worth TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-01-20   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.