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: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-477 A Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-477 0 Plano TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-477 1 Plano TX   6529 T-MOBILE USA, INC. 552   2025-05-16   
972-477 8 Plano TX   732J NUSO, LLC 552   2025-05-09   
972-477 9 Plano TX   732J NUSO, LLC 552   2025-05-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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