Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Alto, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
936-858 A ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-858 0 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-858 1 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-858 2 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-858 3 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-858 4 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-858 5 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-858 6 HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-06-08   
936-858 7 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-858 8   145J TERRA NOVA TELECOM INC. 560   2025-08-22   
936-858 9 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-877 A HSTNTXJAXBY  965H FRACTEL, LLC 560      
936-877 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-02-18   
936-877 2 LFKNTXXABMD  318C CEBRIDGE TELECOM TX , L.P. - TX 560   2021-04-29   
936-877 3 HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-07-04   
936-877 4 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2022-02-04   
936-877 5 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-12-04   
936-877 7 HSTNTXJAXBY  965H FRACTEL, LLC 560   2020-09-05   
936-877 8 LFKNTXXA6MD  903C ONVOY, LLC - TX 560   2021-04-12   
936-877 9 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-12-04   
936-879 A ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-879 0 ALTOTXXORS0  2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
936-879 1   793K TWC IP ENABLED SERVICES, LLC 560   2024-10-13   
936-879 6 LFKNTXXA6MD  903C ONVOY, LLC - TX 560   2019-12-20   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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