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: EUCLWI01X9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
534-203 A River Falls WI 225C ONVOY, LLC - WI 352      
534-217 A Merrillan WI 225C ONVOY, LLC - WI 352      
534-344 A Whitehall WI 225C ONVOY, LLC - WI 352      
534-444 A Eau Claire WI 225C ONVOY, LLC - WI 352      
534-544 A Hudson WI 225C ONVOY, LLC - WI 352      
715-200 A Osseo WI 225C ONVOY, LLC - WI 352      
715-601 A Mondovi WI 225C ONVOY, LLC - WI 352   2024-02-26   
715-620 A Eau Claire WI 225C ONVOY, LLC - WI 352      
715-705 A Chippewa Falls WI 225C ONVOY, LLC - WI 352   2024-01-19   
715-727 A Eau Claire WI 225C ONVOY, LLC - WI 352      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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