Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 891

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-891 A Sugar Land TX   624H ONVOY SPECTRUM, LLC 560   2025-11-13   
346-891 5 Sugar Land TX   624H ONVOY SPECTRUM, LLC 560   2025-11-13   
346-891 6 Sugar Land TX   624H ONVOY SPECTRUM, LLC 560   2025-11-13   
346-891 7 Sugar Land TX   624H ONVOY SPECTRUM, LLC 560   2025-11-13   
346-891 8 Sugar Land TX   624H ONVOY SPECTRUM, LLC 560   2025-11-13   
346-891 9 Sugar Land TX   624H ONVOY SPECTRUM, LLC 560   2025-11-13   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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