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.

Fort Worth, TX

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-615 5 FTWOTXECDS0  9533 SOUTHWESTERN BELL 552      
817-615 6 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-04-29   
817-615 7 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-04-29   
817-615 8 FTWOTXECDS0  9533 SOUTHWESTERN BELL 552      
817-615 9 RCSNTXHVBMD  516C AT&T CORP. 552   2013-06-25   
817-624 A FTWOTXMADS0  9533 SOUTHWESTERN BELL 552      
817-625 A FTWOTXMADS0  9533 SOUTHWESTERN BELL 552      
817-626 A FTWOTXMADS0  9533 SOUTHWESTERN BELL 552      
817-632 A FTWOTXEDRS0  8833 LOGIX COMMUNICATIONS CORPORATION - TX 552      
817-639 A DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-644 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-655 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-655 0 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-04-29   
817-655 1 DLLTTX01CMD  5562 METROPCS, INC. 552   2011-02-15   
817-655 2 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-04-29   
817-655 3 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-04-29   
817-655 4 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-04-29   
817-655 5 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-04-29   
817-655 6 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-655 7 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-655 8 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-655 9 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-660 A DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 0 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 1 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 2 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 3 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 4 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 5 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 6   903C ONVOY, LLC - TX 552   2024-02-25   
817-660 7   903C ONVOY, LLC - TX 552   2024-02-25   
817-660 8   624H ONVOY SPECTRUM, LLC 552   2024-04-10   
817-660 9   624H ONVOY SPECTRUM, LLC 552   2024-04-10   
817-665 A DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-696 A FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-696 0 DLLTTX01CMD  5562 METROPCS, INC. 552   2019-07-22   
817-696 1 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-07-20   
817-696 2 FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-696 3 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-07-20   
817-696 4 FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-696 5 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-07-20   
817-696 6 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-07-20   
817-696 7 DLLTTX01CMD  5562 METROPCS, INC. 552   2007-07-20   
817-696 8 FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-696 9 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2020-03-04   
817-698 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-702 A FTWOTXTEDS0  9533 SOUTHWESTERN BELL 552      
817-702 0 FTWOTXTEDS0  9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 1 FTWOTXTEDS0  9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 2 FTWOTXTEDS0  9533 SOUTHWESTERN BELL 552   2006-11-25   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.