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: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-428 A Houston TX HSTNTXJAXJY  478J NUSO, LLC 560      
346-428 0 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-26   
346-428 1 Houston TX HSTNTXJAXJY  478J NUSO, LLC 560   2020-09-25   
346-428 2 Houston TX HSTNTXJAXJY  478J NUSO, LLC 560   2020-09-25   
346-428 3 Houston TX HSTNTXJAXJY  478J NUSO, LLC 560   2020-09-25   
346-428 4 Houston TX HSTNTXJAXJY  478J NUSO, LLC 560   2020-09-25   
346-428 5 Houston TX HSTNTXJAXJY  478J NUSO, LLC 560   2020-09-25   
346-428 6 Houston TX HSTNTXJAXJY  478J NUSO, LLC 560   2020-09-25   
346-428 7 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-26   
346-428 8 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-26   
346-428 9 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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