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.

Switch: CPHLTNXADS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
615-233 A Fosterville (Rutherford) TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
615-368 A College Grove TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
615-776 A Nolensville (Williamson) TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
615-819 3 Nolensville (Williamson) TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470   2017-06-05   
615-819 7 Nolensville (Williamson) TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470   2017-06-05   
615-819 8 Nolensville (Williamson) TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470   2017-06-05   
615-819 9 Nolensville (Williamson) TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470   2017-06-05   
615-941 A Nolensville (Davidson) TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
931-276 A Belfast TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
931-294 A Unionville TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
931-364 A Chapel Hill TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
931-437 A Fosterville (Bedford) TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
931-649 A Estill Springs TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      
931-695 A Flat Creek TN 0581 UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS 470      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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