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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-677 A Friendship TN FRSHTNXARS5  0561 CROCKETT TEL. CO., INC. 468      
731-677 0 Friendship TN   0561 CROCKETT TEL. CO., INC. 468      
731-677 1 Friendship TN   0561 CROCKETT TEL. CO., INC. 468      
731-677 2 Friendship TN   0561 CROCKETT TEL. CO., INC. 468      
731-677 3 Friendship TN   0561 CROCKETT TEL. CO., INC. 468      
731-677 4 Friendship TN   0561 CROCKETT TEL. CO., INC. 468      
731-677 5 Friendship TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 468   2021-08-15   
731-677 6 Friendship TN   145J TERRA NOVA TELECOM INC. 468   2025-08-08   
731-677 7 Friendship TN   0561 CROCKETT TEL. CO., INC. 468      
731-677 8 Friendship TN   0561 CROCKETT TEL. CO., INC. 468      
731-677 9 Friendship TN   0561 CROCKETT TEL. CO., INC. 468      

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

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