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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OCN: 7575 CENTURYLINK COMMUNICATIONS LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
320-417 A West Danbury MN FRDRWIXA2MD  352      
320-417 7 West Danbury MN FRDRWIXA2MD  352   2015-02-21   
534-201 A Cameron WI RCLKWIXB6MD  352      
534-201 7 Cameron WI RCLKWIXB6MD  352   2017-12-15   
715-788 A Rice Lake WI RCLKWIXB6MD  352      
715-788 7 Rice Lake WI RCLKWIXB6MD  352   2014-11-10   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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