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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NPA: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 683

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-683 A Olivia MN STCDMNATUMD  4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 626      
320-683 1 Olivia MN STCDMNATUMD  4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 626      
320-683 9 Olivia MN STCDMNATUMD  4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 626      

Last updated: Sat, 26 Aug 2023 16:14:14 UTC

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