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: 647

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-647 A Stafford TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560      
346-647 4 Stafford TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2022-03-17   
346-647 5 Stafford TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2022-08-27   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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