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: 971

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-971 A Houston TX HSTNTXHODS0  9533 SOUTHWESTERN BELL 560      
346-971 0 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-971 1 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-971 2 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-971 3 Houston TX   9533 SOUTHWESTERN BELL 560   2015-10-14   
346-971 4 Houston TX   903C ONVOY, LLC - TX 560   2021-09-11   
346-971 5 Houston TX   903C ONVOY, LLC - TX 560   2021-09-11   
346-971 6 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-971 7 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-971 8 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   
346-971 9 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-10-15   

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

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