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: RNLKMNXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-945 A Round Lake MN 1445 CENTURYTEL OF MINNESOTA, INC. DBA CENTURYLINK 620      
507-945 0 Round Lake MN 1445 CENTURYTEL OF MINNESOTA, INC. DBA CENTURYLINK 620      
507-945 1 Round Lake MN 1445 CENTURYTEL OF MINNESOTA, INC. DBA CENTURYLINK 620      
507-945 2 Round Lake MN 1445 CENTURYTEL OF MINNESOTA, INC. DBA CENTURYLINK 620      
507-945 8 Round Lake MN 1445 CENTURYTEL OF MINNESOTA, INC. DBA CENTURYLINK 620      
507-945 9 Round Lake MN 1445 CENTURYTEL OF MINNESOTA, INC. DBA CENTURYLINK 620      

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

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