Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Grapevine, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-954 A DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 0 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 1 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 2 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 3 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 4 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 5 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 6 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 7 DLLSTX97TMD  939H COMMIO, LLC 552   2024-02-22   
817-954 8 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2024-06-29   
817-954 9 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2024-06-29   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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