Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-553 1 Houston TX 624H ONVOY SPECTRUM, LLC 560   2022-08-12   
346-553 9 Houston TX 624H ONVOY SPECTRUM, LLC 560   2022-08-12   
346-560 8 Houston TX 624H ONVOY SPECTRUM, LLC 560   2022-08-26   
346-560 9 Houston TX 624H ONVOY SPECTRUM, LLC 560   2022-08-26   
346-566 1 Westfield TX 624H ONVOY SPECTRUM, LLC 560   2021-11-25   
346-566 8 Westfield TX 624H ONVOY SPECTRUM, LLC 560   2021-07-18   
346-596 A Humble TX 624H ONVOY SPECTRUM, LLC 560      
346-596 0 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 1 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 2 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 3 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 4 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 5 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 6 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 7 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 8 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-596 9 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-597 A Langham Creek TX 624H ONVOY SPECTRUM, LLC 560      
346-597 0 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-597 6 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-598 A Tomball TX 624H ONVOY SPECTRUM, LLC 560      
346-598 0 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-598 8 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-598 9 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-639 0 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2022-03-21   
346-640 A Langham Creek TX 624H ONVOY SPECTRUM, LLC 560      
346-640 3 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-642 7 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2023-06-19   
346-642 8 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2023-06-19   
346-643 7 Splendora TX 624H ONVOY SPECTRUM, LLC 560   2021-05-23   
346-643 8 Splendora TX 624H ONVOY SPECTRUM, LLC 560   2021-05-23   
346-655 7 Rosharon TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-675 0 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2024-04-21   
346-675 1 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2024-04-21   
346-675 8 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2024-04-21   
346-676 7 Kemah TX 624H ONVOY SPECTRUM, LLC 560   2024-10-15   
346-688 2 Manvel TX 624H ONVOY SPECTRUM, LLC 560   2021-11-26   
346-688 3 Manvel TX 624H ONVOY SPECTRUM, LLC 560   2021-07-14   
346-706 4 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2021-10-25   
346-706 8 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2021-10-25   
346-706 9 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2021-10-25   
346-746 5 Smithers Lake TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-761 7 Satsuma TX 624H ONVOY SPECTRUM, LLC 560   2024-04-30   
346-761 8 Satsuma TX 624H ONVOY SPECTRUM, LLC 560   2024-03-20   
346-765 A Tomball TX 624H ONVOY SPECTRUM, LLC 560   2024-03-11   
346-765 0 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2024-03-11   
346-765 1 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2024-03-11   
346-765 2 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2024-03-11   
346-765 3 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2024-03-11   
346-765 4 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2024-03-11   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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