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: WAUSWIXAX3X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-750 8 Antigo WI 624H ONVOY SPECTRUM, LLC 350   2021-06-21   
715-819 4 Neillsville WI 624H ONVOY SPECTRUM, LLC 350   2024-10-28   
715-873 1 Gleason WI 624H ONVOY SPECTRUM, LLC 350   2023-06-01   
715-882 1 White Lake WI 624H ONVOY SPECTRUM, LLC 350   2021-06-22   
715-903 5 Birnamwood WI 624H ONVOY SPECTRUM, LLC 350   2021-06-21   
715-908 4 Tomahawk WI 624H ONVOY SPECTRUM, LLC 350   2021-11-27   
715-908 5 Tomahawk WI 624H ONVOY SPECTRUM, LLC 350   2021-11-27   
715-971 6 Wausau WI 624H ONVOY SPECTRUM, LLC 350   2021-06-29   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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