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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-318 A Milan TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
731-318 0 Milan TN   525E ONVOY, LLC - TN 468   2016-04-02   
731-318 1 Milan TN   525E ONVOY, LLC - TN 468   2016-04-02   
731-318 2 Milan TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 468   2019-01-01   
731-318 3 Milan TN   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468   2016-11-28   
731-318 4 Milan TN   525E ONVOY, LLC - TN 468   2016-06-09   
731-318 5 Milan TN   525E ONVOY, LLC - TN 468   2016-06-09   
731-318 6 Milan TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 468   2020-02-03   
731-318 7 Milan TN   525E ONVOY, LLC - TN 468   2021-03-15   
731-318 8 Milan TN   073H TELNYX LLC 468   2018-09-21   
731-318 9 Milan TN   525E ONVOY, LLC - TN 468   2021-03-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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