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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
616-557 0 Sand Lake MI 624H ONVOY SPECTRUM, LLC 348   2021-06-20   
616-580 4 Dorr MI 624H ONVOY SPECTRUM, LLC 348   2021-06-18   
616-601 A Freeport MI 624H ONVOY SPECTRUM, LLC 348      
616-601 6 Freeport MI 624H ONVOY SPECTRUM, LLC 348   2021-07-24   
616-612 0 Grand Haven MI 624H ONVOY SPECTRUM, LLC 348   2021-06-19   
616-612 9 Grand Haven MI 624H ONVOY SPECTRUM, LLC 348   2022-02-08   
616-661 A Sparta MI 624H ONVOY SPECTRUM, LLC 348      
616-661 6 Sparta MI 624H ONVOY SPECTRUM, LLC 348   2021-07-25   
616-693 4 Clarksville MI 624H ONVOY SPECTRUM, LLC 348   2021-06-18   
616-699 6 Grand Rapids MI 624H ONVOY SPECTRUM, LLC 348   2022-01-23   
616-699 7 Grand Rapids MI 624H ONVOY SPECTRUM, LLC 348   2022-01-23   
616-747 4 Rockford MI 624H ONVOY SPECTRUM, LLC 348   2021-06-20   
616-752 5 Grand Rapids MI 624H ONVOY SPECTRUM, LLC 348   2021-07-11   
616-757 8 Borculo MI 624H ONVOY SPECTRUM, LLC 348   2021-06-18   
616-766 5 Belding MI 624H ONVOY SPECTRUM, LLC 348   2021-06-18   
616-797 5 Hudsonville MI 624H ONVOY SPECTRUM, LLC 348   2021-06-19   
616-800 4 Jamestown MI 624H ONVOY SPECTRUM, LLC 348   2021-06-19   
616-877 1 Moline MI 624H ONVOY SPECTRUM, LLC 348   2021-06-20   
616-879 3 Zeeland MI 624H ONVOY SPECTRUM, LLC 348   2021-12-03   
616-879 4 Zeeland MI 624H ONVOY SPECTRUM, LLC 348   2021-12-03   
616-898 6 Alto MI 624H ONVOY SPECTRUM, LLC 348   2021-11-22   
616-898 7 Alto MI 624H ONVOY SPECTRUM, LLC 348   2021-11-22   
616-984 9 Trufant MI 624H ONVOY SPECTRUM, LLC 348   2021-11-22   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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