Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-991 A Lometa TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-991 0 Lometa TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-02   
512-991 1 Lometa TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-02-19   
512-991 2 Lometa TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-06-10   
512-991 3 Lometa TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-12-19   
512-991 4 Lometa TX   903C ONVOY, LLC - TX 558   2014-12-03   
512-991 5 Lometa TX   903C ONVOY, LLC - TX 558   2020-03-23   
512-991 6 Lometa TX   508J CENTURYLINK COMMUNICATIONS, LLC 558   2013-12-19   
512-991 7 Lometa TX   903C ONVOY, LLC - TX 558   2013-04-12   
512-991 8 Lometa TX   903C ONVOY, LLC - TX 558   2014-04-14   
512-991 9 Lometa TX   903C ONVOY, LLC - TX 558   2014-04-14   

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

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