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: 748

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-748 A Cedar Hill MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
636-748 0 Cedar Hill MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-17   
636-748 1 Cedar Hill MO STLSMOGZEMD  145J TERRA NOVA TELECOM INC. 520   2023-02-17   
636-748 2 Cedar Hill MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2008-06-15   
636-748 3 Cedar Hill MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-09-04   
636-748 4 Cedar Hill MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-03-31   
636-748 5 Cedar Hill MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
636-748 6 Cedar Hill MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-09-04   
636-748 7 Cedar Hill MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2012-09-01   
636-748 8 Cedar Hill MO   515J IP HORIZON LLC 520   2013-12-19   
636-748 9 Cedar Hill MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-09-04   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.