Local Calling Guide

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

NXX: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-481 A Hillsboro MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-481 0 Hillsboro MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-04-09   
636-481 1 Hillsboro MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2016-04-18   
636-481 2 Hillsboro MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2005-03-04   
636-481 3 Hillsboro MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2011-03-15   
636-481 4 Hillsboro MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2004-04-10   
636-481 5 Hillsboro MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2006-04-14   
636-481 6 Hillsboro MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
636-481 7 Hillsboro MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-05   
636-481 8 Hillsboro MO STLSMO09WMD  516C AT&T CORP. 520   2010-07-28   
636-481 9 Hillsboro MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-05   

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

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