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: 364 [Rate centres in NPA 364] [Dial plan for NPA 364]

NXX: 844

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
364-844 A Mayfield KY OWBOKYMAXSX  624H ONVOY SPECTRUM, LLC 464      
364-844 0 Mayfield KY OWBOKYMAXPX  073H TELNYX LLC 464   2023-07-14   
364-844 4 Mayfield KY OWBOKYMAXSX  624H ONVOY SPECTRUM, LLC 464   2023-07-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.