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.

Frankfort, IN

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
765-972 A IPLWIN75X3X  516J TON80 COMMUNICATIONS, LLC 336      
765-972 0   097D ONVOY, LLC - IN 336   2023-10-22   
765-972 1   097D ONVOY, LLC - IN 336   2023-10-22   
765-972 2   097D ONVOY, LLC - IN 336   2023-10-22   
765-972 3   097D ONVOY, LLC - IN 336   2023-10-22   
765-972 4   097D ONVOY, LLC - IN 336   2023-10-22   
765-972 6   516J TON80 COMMUNICATIONS, LLC 336   2022-05-04   
765-972 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 336   2024-03-31   

<< 1 2

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.