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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-637 A Katy TX   516J TON80 COMMUNICATIONS LLC 560   2022-03-17   
346-637 2 Katy TX   903C ONVOY, LLC - TX 560   2022-04-01   
346-637 3 Katy TX   903C ONVOY, LLC - TX 560   2022-04-01   
346-637 4 Katy TX   903C ONVOY, LLC - TX 560   2022-04-01   
346-637 7 Katy TX   516J TON80 COMMUNICATIONS LLC 560   2022-03-17   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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