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: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-837 A Middleton TN MMPKTNVZ5MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 468      
731-837 0 Middleton TN   720G TIME WARNER CABLE INFORMATION SVCS (TENNESSEE), TN 468   2023-09-24   
731-837 1 Middleton TN   525E ONVOY, LLC - TN 468   2016-06-09   
731-837 2 Middleton TN   525E ONVOY, LLC - TN 468   2016-06-09   
731-837 4 Middleton TN   525E ONVOY, LLC - TN 468   2021-10-31   
731-837 5 Middleton TN   516C AT&T CORP. 468   2011-05-11   
731-837 7 Middleton TN   508J CENTURYLINK COMMUNICATIONS, LLC 468   2014-05-02   
731-837 8 Middleton TN   073H TELNYX LLC 468   2019-06-02   
731-837 9 Middleton TN   624H ONVOY SPECTRUM, LLC 468   2023-06-09   

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

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