Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 915

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-915 A Irving TX IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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