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   
346-470 6 Humble TX 624H ONVOY SPECTRUM, LLC 560   2021-11-13   
346-474 3 Friendswood TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-474 8 Friendswood TX 624H ONVOY SPECTRUM, LLC 560   2022-02-24   
346-484 6 Sheldon TX 624H ONVOY SPECTRUM, LLC 560   2024-03-20   
346-486 8 Liverpool TX 624H ONVOY SPECTRUM, LLC 560   2021-12-04   
346-488 7 Porter Heights TX 624H ONVOY SPECTRUM, LLC 560   2022-02-20   
346-499 4 Deer Park TX 624H ONVOY SPECTRUM, LLC 560   2021-07-14   
346-506 A Houston TX 624H ONVOY SPECTRUM, LLC 560      
346-506 1 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 2 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 3 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 4 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 5 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 6 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 7 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 8 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-506 9 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-19   
346-507 1 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2021-11-22   
346-507 2 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2021-11-22   
346-507 3 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2021-11-22   
346-507 4 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2021-11-22   
346-507 5 Langham Creek TX 624H ONVOY SPECTRUM, LLC 560   2021-11-22   
346-509 0 Houston TX 624H ONVOY SPECTRUM, LLC 560   2021-11-11   
346-510 A Houston TX 624H ONVOY SPECTRUM, LLC 560      
346-510 5 Houston TX 624H ONVOY SPECTRUM, LLC 560   2020-01-15   
346-513 1 Cypress TX 624H ONVOY SPECTRUM, LLC 560   2022-01-10   
346-513 2 Cypress TX 624H ONVOY SPECTRUM, LLC 560   2022-01-10   
346-513 3 Cypress TX 624H ONVOY SPECTRUM, LLC 560   2022-01-10   
346-513 4 Cypress TX 624H ONVOY SPECTRUM, LLC 560   2022-01-10   
346-513 5 Cypress TX 624H ONVOY SPECTRUM, LLC 560   2022-01-10   
346-514 2 Stafford TX 624H ONVOY SPECTRUM, LLC 560   2022-02-24   
346-514 6 Stafford TX 624H ONVOY SPECTRUM, LLC 560   2022-02-24   
346-518 7 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2022-01-10   
346-518 8 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2022-01-10   
346-518 9 Pinehurst TX 624H ONVOY SPECTRUM, LLC 560   2022-01-10   
346-519 1 Channelview TX 624H ONVOY SPECTRUM, LLC 560   2021-12-31   
346-522 0 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-03-05   
346-522 1 Humble TX 624H ONVOY SPECTRUM, LLC 560   2022-03-05   
346-534 2 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2022-02-26   
346-534 3 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2022-02-26   
346-534 8 Tomball TX 624H ONVOY SPECTRUM, LLC 560   2022-04-17   
346-535 3 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2022-02-21   
346-535 6 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2022-02-21   
346-535 8 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2022-03-21   
346-535 9 Houston Suburban TX 624H ONVOY SPECTRUM, LLC 560   2022-03-21   
346-540 5 Splendora TX 624H ONVOY SPECTRUM, LLC 560   2022-03-08   
346-551 1 Bammel TX 624H ONVOY SPECTRUM, LLC 560   2022-06-25   
346-551 2 Bammel TX 624H ONVOY SPECTRUM, LLC 560   2022-06-25   
346-551 5 Bammel TX 624H ONVOY SPECTRUM, LLC 560   2022-05-14   
346-553 0 Houston TX 624H ONVOY SPECTRUM, LLC 560   2022-08-12   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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