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
281-271 6 Deer Park TX 624H ONVOY SPECTRUM, LLC 560   2024-10-15   
281-271 7 Deer Park TX 624H ONVOY SPECTRUM, LLC 560   2024-10-15   
281-317 5 Friendswood TX 624H ONVOY SPECTRUM, LLC 560   2021-11-05   
281-317 9 Friendswood TX 624H ONVOY SPECTRUM, LLC 560   2021-11-05   
281-375 0 Brookshire EMS TX 624H ONVOY SPECTRUM, LLC 560   2021-11-25   
281-393 2 Liverpool EMS TX 624H ONVOY SPECTRUM, LLC 560   2022-05-19   
281-400 6 Friendswood TX 624H ONVOY SPECTRUM, LLC 560   2022-05-16   
281-400 8 Friendswood TX 624H ONVOY SPECTRUM, LLC 560   2022-05-16   
281-497 9 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2021-10-25   
281-498 9 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2021-10-25   
281-500 1 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2024-04-30   
281-504 5 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2022-05-22   
281-532 9 Kemah TX 624H ONVOY SPECTRUM, LLC 560   2021-11-05   
281-542 5 Deer Park TX 624H ONVOY SPECTRUM, LLC 560   2021-11-11   
281-547 9 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2024-10-15   
281-556 7 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2021-10-25   
281-559 5 Kemah TX 624H ONVOY SPECTRUM, LLC 560   2022-02-28   
281-640 9 Satsuma TX 624H ONVOY SPECTRUM, LLC 560   2024-04-30   
281-648 5 Friendswood TX 624H ONVOY SPECTRUM, LLC 560   2024-01-15   
281-713 7 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-05-22   
281-759 4 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2021-10-25   
281-789 5 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2022-05-19   
281-815 6 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2022-05-19   
281-860 7 Channelview TX 624H ONVOY SPECTRUM, LLC 560   2024-10-15   
281-922 0 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2021-10-25   
281-934 0 Brookshire TX 624H ONVOY SPECTRUM, LLC 560   2022-01-18   
281-947 1 Friendswood TX 624H ONVOY SPECTRUM, LLC 560   2022-05-19   
346-296 6 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2022-02-20   
346-296 7 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-359 9 Liverpool TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-419 9 Bammel TX 624H ONVOY SPECTRUM, LLC 560   2024-04-30   
346-421 2 Arcola TX 624H ONVOY SPECTRUM, LLC 560   2025-01-03   
346-440 6 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2022-02-20   
346-447 4 Cleveland TX 624H ONVOY SPECTRUM, LLC 560   2021-07-14   
346-460 2 Bammel TX 624H ONVOY SPECTRUM, LLC 560   2021-07-08   
346-462 4 Cypress TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-467 4 Richmond-Rosenberg TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-468 4 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-469 0 Houston TX 624H ONVOY SPECTRUM, LLC 560   2023-07-31   
346-469 1 Houston TX 624H ONVOY SPECTRUM, LLC 560   2023-07-31   
346-469 2 Houston TX 624H ONVOY SPECTRUM, LLC 560   2023-07-31   
346-469 3 Houston TX 624H ONVOY SPECTRUM, LLC 560   2023-07-31   
346-469 4 Houston TX 624H ONVOY SPECTRUM, LLC 560   2023-07-31   
346-469 5 Houston TX 624H ONVOY SPECTRUM, LLC 560   2023-07-31   
346-469 6 Houston TX 624H ONVOY SPECTRUM, LLC 560   2023-07-31   
346-469 7 Houston TX 624H ONVOY SPECTRUM, LLC 560   2023-07-31   
346-470 0 Humble TX 624H ONVOY SPECTRUM, LLC 560   2021-11-13   
346-470 1 Humble TX 624H ONVOY SPECTRUM, LLC 560   2021-11-13   
346-470 4 Humble TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-470 5 Humble TX 624H ONVOY SPECTRUM, LLC 560   2021-11-13   

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

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