Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 731 [Rate centres in NPA 731] [Dial plan for NPA 731]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-999 A Decaturville TN   525E ONVOY, LLC - TN 468   2025-08-28   
731-999 0 Decaturville TN   145J TERRA NOVA TELECOM INC. 468   2025-08-30   
731-999 9 Decaturville TN   525E ONVOY, LLC - TN 468   2025-08-28   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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