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: 773

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-773 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 0 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 1 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 3 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-19   
972-773 4 Dallas TX DLLSTXSQDS2  8958 XO TEXAS, INC. 552   2011-07-07   
972-773 5 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-773 6 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-773 7 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-773 8 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-19   
972-773 9 Dallas TX RCSNTXHVBMD  516C AT&T CORP. 552   2011-05-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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