Local Calling Guide

Area code/prefix search

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

NXX: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-660 A Fort Worth TX DLLSTX97X2X  939H COMMIO, LLC 552   2024-02-22   
817-660 0 Fort Worth TX DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 1 Fort Worth TX DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 2 Fort Worth TX DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 3 Fort Worth TX DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 4 Fort Worth TX DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 5 Fort Worth TX DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-660 6 Fort Worth TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-02-25   
817-660 7 Fort Worth TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-02-25   
817-660 8 Fort Worth TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-04-10   
817-660 9 Fort Worth TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-04-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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