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: 586 [Rate centres in NPA 586] [Dial plan for NPA 586]

NXX: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-544 A Utica MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
586-544 0 Utica MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-11   
586-544 1 Utica MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-11   
586-544 2 Utica MI DTRTMIBHJMD  506J TWILIO INTERNATIONAL, INC. 340   2021-07-15   
586-544 3 Utica MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-11   
586-544 4 Utica MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-03-07   
586-544 5 Utica MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-03-07   
586-544 6 Utica MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-03-07   
586-544 7 Utica MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-03-07   
586-544 8 Utica MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-06-17   
586-544 9 Utica MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.