Local Calling Guide

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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-440 A Carrollton TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552      
972-440 0 Carrollton TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2018-02-24   
972-440 1 Carrollton TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2017-11-11   
972-440 2 Carrollton TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2017-11-11   
972-440 3 Carrollton TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-01-16   
972-440 4 Carrollton TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2022-12-12   
972-440 5 Carrollton TX IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2018-02-24   
972-440 6 Carrollton TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-05-01   
972-440 7 Carrollton TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-07-16   
972-440 8 Carrollton TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2018-03-29   
972-440 9 Carrollton TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-07-21   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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