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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 836

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-836 A Larsen WI LRSNWIXADSA  0898 CENTURYTEL OF LARSEN-READFIELD DBA CENTURYLINK 350      
920-836 0 Larsen WI LRSNWIXADSA  0898 CENTURYTEL OF LARSEN-READFIELD DBA CENTURYLINK 350      
920-836 1 Larsen WI LRSNWIXADSA  0898 CENTURYTEL OF LARSEN-READFIELD DBA CENTURYLINK 350      
920-836 2 Larsen WI LRSNWIXADSA  0898 CENTURYTEL OF LARSEN-READFIELD DBA CENTURYLINK 350      
920-836 3 Larsen WI LRSNWIXADSA  0898 CENTURYTEL OF LARSEN-READFIELD DBA CENTURYLINK 350      
920-836 6 Larsen WI LRSNWIXADSA  0898 CENTURYTEL OF LARSEN-READFIELD DBA CENTURYLINK 350      
920-836 7 Larsen WI GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2014-11-24   
920-836 9 Larsen WI LRSNWIXADSA  0898 CENTURYTEL OF LARSEN-READFIELD DBA CENTURYLINK 350      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.