Local Calling Guide

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

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-203 A Houston Suburban TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2025-01-23   
346-203 0 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-16   
346-203 1 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-16   
346-203 2 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-05-16   
346-203 3 Houston Suburban TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2015-02-17   
346-203 4 Houston Suburban TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2015-02-17   
346-203 5 Houston Suburban TX HSTATX750MD  829J PAETEC ITEL, LLC 560   2015-02-13   
346-203 6 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-07-04   
346-203 7 Houston Suburban TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2015-07-04   
346-203 8 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-05-16   
346-203 9 Houston Suburban TX HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-05-27   

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

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