Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-489 A Argyle TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
940-489 0 Argyle TX   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
940-489 1 Argyle TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-18   
940-489 2 Argyle TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-02-14   
940-489 3 Argyle TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-07-11   
940-489 4 Argyle TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-07-16   
940-489 5 Argyle TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2016-07-25   
940-489 6 Argyle TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-08-31   
940-489 7 Argyle TX   508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-19   
940-489 8 Argyle TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-18   
940-489 9 Argyle TX   515J IP HORIZON LLC 552   2017-12-15   

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

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