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: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-308 A Houston TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
346-308 0 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-12-03   
346-308 1 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-12-03   
346-308 2 Houston TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2015-11-27   
346-308 3 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-12-03   
346-308 4 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-12-03   
346-308 5 Houston TX   516C AT&T CORP. 560   2015-11-28   
346-308 6 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-12-06   
346-308 7 Houston TX   829J PAETEC ITEL, LLC 560   2015-11-30   
346-308 8 Houston TX   829J PAETEC ITEL, LLC 560   2015-11-30   
346-308 9 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-12-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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