Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-645 2   903C ONVOY, LLC - TX 552   2019-10-07   
972-645 3   903C ONVOY, LLC - TX 552   2019-10-07   
972-645 4   903C ONVOY, LLC - TX 552   2019-10-07   
972-645 5   903C ONVOY, LLC - TX 552   2020-02-10   
972-645 6   903C ONVOY, LLC - TX 552   2018-07-26   
972-645 7   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2019-10-30   
972-645 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2019-12-14   
972-645 9   903C ONVOY, LLC - TX 552   2020-02-10   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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