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.

NPA: 615 [Rate centres in NPA 615] [Dial plan for NPA 615]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
615-437 A Carthage TN NSVLTNMT96Z  124F BANDWIDTH.COM CLEC, LLC - TN 470      
615-437 0 Carthage TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2022-02-14   
615-437 1 Carthage TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 470   2022-04-11   
615-437 2 Carthage TN   525E ONVOY, LLC - TN 470   2022-08-25   
615-437 3 Carthage TN   525E ONVOY, LLC - TN 470   2022-08-25   
615-437 4 Carthage TN   525E ONVOY, LLC - TN 470   2022-08-25   
615-437 5 Carthage TN   525E ONVOY, LLC - TN 470   2022-08-25   
615-437 6 Carthage TN   525E ONVOY, LLC - TN 470   2022-08-25   
615-437 7 Carthage TN   525E ONVOY, LLC - TN 470   2022-08-25   
615-437 8 Carthage TN   525E ONVOY, LLC - TN 470   2022-08-25   
615-437 9 Carthage TN   525E ONVOY, LLC - TN 470   2022-08-25   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.