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: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-210 A Marquette MI MRQTMIMNY0X  425J CSC WIRELESS, LLC 342      
906-210 2 Marquette MI MRQTMIMNY0X  425J CSC WIRELESS, LLC 342   2020-08-24   
906-210 3 Marquette MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2022-10-24   
906-210 4 Marquette MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2022-10-24   
906-210 5 Marquette MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2022-10-24   
906-210 6 Marquette MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2022-10-24   
906-210 7 Marquette MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2022-10-24   
906-210 8 Marquette MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2022-10-24   
906-210 9 Marquette MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2022-10-24   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.