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: WNVLMOXAXBX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-488 8 Jonesburg MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-10-14   
636-495 7 High Ridge MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-22   
636-551 7 Cedar Hill MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-21   
636-565 5 De Soto MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-21   
636-585 3 High Hill MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-10-14   
636-649 7 Union MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-24   
636-674 7 Antonia MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-21   
636-695 6 Dardenne MCA4 MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-10-14   
636-706 A St Peters MO 508J CENTURYLINK COMMUNICATIONS, LLC 520      
636-706 7 St Peters MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-11-12   
636-717 7 Fenton MCA3 MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-05-05   
636-723 8 St Charles MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-11-30   
636-725 7 Festus-Crystal City MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-22   
636-730 7 Chesterfield MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-11-30   
636-741 7 Imperial MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-05-05   
636-753 7 Portage des Sioux MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-22   
636-797 7 Hillsboro MCA5 MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-22   
636-888 7 St Clair MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-24   
636-999 7 Pacific MO 508J CENTURYLINK COMMUNICATIONS, LLC 520   2015-05-26   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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