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
346-470 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   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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