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: MILWWIAU23Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
262-463 A Bergen WI 839J EON TELECOM, INC. 356   2024-11-29   
262-464 A Belgium WI 839J EON TELECOM, INC. 356   2024-11-29   
414-437 A Milwaukee Zone 5 WI 839J EON TELECOM, INC. 356   2024-11-29   
414-450 A Milwaukee Zone 4 WI 839J EON TELECOM, INC. 356   2024-11-29   
920-608 A Waterloo WI 839J EON TELECOM, INC. 356   2024-11-29   
920-974 A Brandon WI 839J EON TELECOM, INC. 356   2024-11-29   
920-978 A Eden WI 839J EON TELECOM, INC. 356   2024-11-29   
920-985 A Clyman WI 839J EON TELECOM, INC. 356   2024-11-29   
920-995 A Cleveland WI 839J EON TELECOM, INC. 356   2024-11-29   
920-998 A Van Dyne WI 839J EON TELECOM, INC. 350   2024-11-29   

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

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