Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 936 [Rate centres in NPA 936] [Dial plan for NPA 936]

NXX: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-534 A Trinity TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
936-534 1 Trinity TX   793K TWC IP ENABLED SERVICES, LLC 560   2024-04-07   
936-534 2 Trinity TX   903C ONVOY, LLC - TX 560   2021-09-24   
936-534 4 Trinity TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-10-27   
936-534 6 Trinity TX   903C ONVOY, LLC - TX 560   2021-09-24   
936-534 7 Trinity TX   508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-03-02   
936-534 8 Trinity TX   516J TON80 COMMUNICATIONS, LLC 560   2021-08-12   
936-534 9 Trinity TX   903C ONVOY, LLC - TX 560   2019-07-10   

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

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