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.
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Switch: MDSRWIKE4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-430 0 Ettrick WI 145J TERRA NOVA TELECOM INC. 354   2026-04-30   
608-510 0 Gratiot WI 145J TERRA NOVA TELECOM INC. 354   2025-08-14   
608-510 3 Gratiot WI 145J TERRA NOVA TELECOM INC. 354   2026-07-06   
608-532 3 Avoca WI 145J TERRA NOVA TELECOM INC. 354   2026-04-30   
608-549 9 Bloom City WI 145J TERRA NOVA TELECOM INC. 354   2026-04-30   
608-554 9 Janesville WI 145J TERRA NOVA TELECOM INC. 354   2026-02-06   
608-595 2 Blue River WI 145J TERRA NOVA TELECOM INC. 354   2026-04-30   
608-676 1 Clinton WI 145J TERRA NOVA TELECOM INC. 354   2026-06-05   
608-753 9 Arena WI 145J TERRA NOVA TELECOM INC. 354   2026-04-30   
608-808 8 Belmont WI 145J TERRA NOVA TELECOM INC. 354   2026-04-30   
608-863 7 Arcadia WI 145J TERRA NOVA TELECOM INC. 354   2026-04-30   
608-866 A Madison WI 145J TERRA NOVA TELECOM INC. 354      
608-887 5 Gays Mills WI 145J TERRA NOVA TELECOM INC. 354   2026-03-29   
608-937 1 Dodgeville WI 145J TERRA NOVA TELECOM INC. 354   2026-06-05   
608-966 5 Browntown WI 145J TERRA NOVA TELECOM INC. 354   2026-04-30   
608-967 9 Hollandale WI 145J TERRA NOVA TELECOM INC. 354   2026-07-06   
608-981 1 Briggsville WI 145J TERRA NOVA TELECOM INC. 354   2025-08-07   
608-986 9 Lime Ridge WI 145J TERRA NOVA TELECOM INC. 354   2026-07-06   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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