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-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-764 4 Fenton MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-764 5 Fenton MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2006-01-14   
636-764 6 Fenton MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2006-01-14   
636-800 1 St Charles MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2019-01-11   
636-821 4 Pond MCA4 MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-10-09   
636-821 8 Pond MCA4 MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2004-12-15   
636-851 8 Harvester MCA4 MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2012-03-05   
636-856 5 Wentzville MCA5 MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-05-10   
636-875 1 St Peters MCA4 MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2008-07-29   
636-875 7 St Peters MCA4 MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2011-01-29   
636-923 4 Valley Park MCA3 MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-10-24   
636-923 8 Valley Park MCA3 MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2004-12-18   
636-948 5 Antonia MO 4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2008-05-15   

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Last updated: Wed, 01 Dec 2021 01:40:16 UTC

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