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.

Switch: BRSPMI09FMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-224 2 Fremont MI 145J TERRA NOVA TELECOM INC. 348   2024-02-15   
231-270 0 Boyne City MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
231-284 5 Manistee MI 145J TERRA NOVA TELECOM INC. 348   2024-02-15   
231-379 9 Onekama MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
231-380 0 Newaygo MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
231-393 9 Le Roy MI 145J TERRA NOVA TELECOM INC. 348   2024-02-05   
231-475 2 Manton MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
231-797 7 Luther MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
231-831 1 East Jordan MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
616-343 6 Greenville MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
616-353 5 Sand Lake MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
616-370 A Grand Rapids MI 733J WIRETAP TELECOM, LLC. 348      
616-370 0 Grand Rapids MI 733J WIRETAP TELECOM, LLC. 348   2023-10-16   
616-400 9 Saranac MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
616-449 4 Freeport MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
616-739 9 Clarksville MI 145J TERRA NOVA TELECOM INC. 348   2024-02-15   
616-779 9 Grattan MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   
616-800 9 Jamestown MI 145J TERRA NOVA TELECOM INC. 348   2024-02-14   

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

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