Local Calling Guide

Area code/prefix search

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

NXX: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-427 A Center TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
936-427 0 Center TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-02-08   
936-427 2 Center TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-07-25   
936-427 3 Center TX   903C ONVOY, LLC - TX 560   2014-01-18   
936-427 4 Center TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-03-06   
936-427 5 Center TX   516C AT&T CORP. 560   2012-01-25   
936-427 6 Center TX   516J TON80 COMMUNICATIONS, LLC 560   2022-04-04   
936-427 7 Center TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-01-29   
936-427 8 Center TX   508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-05-21   
936-427 9 Center TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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