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: LNNGMIMNX5Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-201 A Leslie MI 543C ONVOY, LLC - MI 346      
517-210 A Potterville MI 543C ONVOY, LLC - MI 346      
517-271 A Nashville MI 543C ONVOY, LLC - MI 346      
517-348 A Lansing MI 543C ONVOY, LLC - MI 346      
517-489 A Lansing MI 543C ONVOY, LLC - MI 346      
517-492 A Lansing MI 543C ONVOY, LLC - MI 346      
517-500 A Sunfield MI 543C ONVOY, LLC - MI 346      
517-550 A Dimondale MI 543C ONVOY, LLC - MI 346      
517-624 A De Witt MI 543C ONVOY, LLC - MI 346      
517-715 A Fowlerville MI 543C ONVOY, LLC - MI 346      
517-777 A Holt MI 543C ONVOY, LLC - MI 346      
517-816 A Lansing MI 543C ONVOY, LLC - MI 346      
517-888 A Jackson MI 543C ONVOY, LLC - MI 346      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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