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: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 352

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-352 A St Charles MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-352 0 St Charles MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2004-10-21   
636-352 1 St Charles MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-07-15   
636-352 2 St Charles MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-07-15   
636-352 3 St Charles MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2006-03-05   
636-352 4 St Charles MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-352 5 St Charles MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2005-03-19   
636-352 6 St Charles MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2005-02-13   
636-352 7 St Charles MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2004-12-14   
636-352 8 St Charles MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2004-11-28   
636-352 9 St Charles MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2004-11-04   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.