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: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-331 A Spring TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-331 0 Spring TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-331 1 Spring TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-331 2 Spring TX   318J COMCAST IP PHONE, LLC 560   2015-08-31   
346-331 3 Spring TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2015-10-17   
346-331 4 Spring TX   903C ONVOY, LLC - TX 560   2015-12-08   
346-331 5 Spring TX   903C ONVOY, LLC - TX 560   2015-12-08   
346-331 6 Spring TX   318J COMCAST IP PHONE, LLC 560   2015-12-21   
346-331 7 Spring TX   6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-03   
346-331 8 Spring TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-331 9 Spring TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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