Local Calling Guide

Area code/prefix search

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OCN: 515J IP HORIZON LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
346-515 6 Richmond-Rosenberg TX HSTNTXYAOMD  560   2021-03-26   
346-536 0 Satsuma TX HSTNTXYAOMD  560   2021-03-21   
346-576 1 Barker TX HSTNTXYAOMD  560   2021-03-21   
346-617 1 Dickinson TX   560   2016-03-28   
346-640 0 Langham Creek TX HSTNTXYAOMD  560   2021-03-21   
346-645 2 Tomball TX HSTNTXYAOMD  560   2021-03-21   
346-654 4 Pinehurst TX   560   2025-05-01   
346-654 8 Pinehurst TX   560   2025-05-01   
346-686 1 Manvel TX   560   2025-03-02   
346-686 3 Manvel TX   560   2025-03-02   
346-705 0 Channelview TX HSTNTXYAOMD  560   2024-01-03   
346-707 9 Valley Lodge TX   560   2017-12-15   
346-713 4 Smithers Lake TX   560   2025-05-04   
346-713 5 Smithers Lake TX   560   2025-05-04   
346-713 8 Smithers Lake TX HSTNTXYAOMD  560   2024-01-03   
346-713 9 Smithers Lake TX HSTNTXYAOMD  560   2024-01-03   
346-735 6 Alvin TX   560   2025-03-01   
346-735 7 Alvin TX   560   2025-03-01   
346-784 7 Seabrook TX   560   2025-03-02   
346-784 8 Seabrook TX   560   2025-03-02   
346-790 1 La Porte TX   560   2025-03-01   
346-790 2 La Porte TX   560   2025-03-01   
346-797 8 Westfield TX   560   2025-03-02   
346-797 9 Westfield TX   560   2025-03-02   
346-798 2 Friendswood TX   560   2025-03-01   
346-798 3 Friendswood TX   560   2025-03-01   
346-808 9 Tomball TX   560   2016-03-28   
346-815 1 Apollo TX   560   2018-12-08   
346-821 8 Splendora TX   560   2025-03-02   
346-821 9 Splendora TX   560   2025-03-02   
346-844 8 Deer Park TX   560   2025-03-01   
346-844 9 Deer Park TX   560   2025-03-01   
346-853 A Houston Suburban TX   560   2025-04-03   
346-853 1 Houston Suburban TX   560   2025-04-03   
346-853 2 Houston Suburban TX   560   2025-04-03   
346-856 A Channelview TX   560   2025-04-03   
346-856 1 Channelview TX   560   2025-04-03   
346-856 2 Channelview TX   560   2025-04-03   
346-858 A Cleveland TX   560   2025-04-03   
346-858 1 Cleveland TX   560   2025-04-03   
346-858 2 Cleveland TX   560   2025-04-03   
346-908 8 Smithers Lake TX   560   2017-12-15   
347-205 6 New York City Zone 05 NY   132   2020-06-05   
347-289 3 New York City Zone 07 NY   132   2005-12-27   
347-338 3 New York City Zone 05 NY   132   2008-09-14   
347-434 9 New York City Zone 11 NY   132   2013-08-26   
347-466 7 New York City Zone 14 NY   132   2007-01-18   
347-473 6 New York City Zone 06 NY   132   2020-06-04   
347-690 6 New York City Zone 09 NY   132   2014-03-01   
347-696 3 New York City Zone 11 NY   132   2012-06-03   

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

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