Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 337J WEST KENTUCKY & TENNESSEE TELECOMMUNICATIONS CO-OP

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
731-233 4 Greenfield TN   468   2022-07-08   
731-241 1 Paris TN   468   2019-10-27   
731-274 6 Sidonia TN   468   2022-01-28   
731-275 4 Palmersville TN   468   2022-01-28   
731-281 8 Martin TN   468   2018-09-17   
731-341 4 Dresden TN   468   2018-09-17   
731-600 2 McKenzie TN   468   2022-07-08   
731-703 2 Sharon TN   468   2020-06-09   
731-888 2 Big Sandy TN   468   2019-10-27   
901-427 A Memphis TN MMPHTNMAY5X  468      
901-427 1 Memphis TN   468   2018-09-07   

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

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