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.
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Jamestown, TN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
931-396 A NSVMTN177MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470      
931-396 0 NSVLTNMTYJZ  318J COMCAST IP PHONE, LLC 470   2023-07-19   
931-396 8 NSVMTN177MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470   2023-07-18   
931-752 A GNBOTNXADS1  0579 TWIN LAKES TEL. COOP. CORP. 470      
931-879 A GNBOTNXADS1  0579 TWIN LAKES TEL. COOP. CORP. 470      

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

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