Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 402

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-402 A Gray Summit MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
636-402 0 Gray Summit MO   4891 WINDSTREAM NUVOX MISSOURI, LLC 520      
636-402 1 Gray Summit MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-04   
636-402 2 Gray Summit MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2005-03-04   
636-402 3 Gray Summit MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-05-03   
636-402 4 Gray Summit MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-09-17   
636-402 5 Gray Summit MO STLSMO09WMD  516C AT&T CORP. 520   2011-05-20   
636-402 6 Gray Summit MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-04   
636-402 7 Gray Summit MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2009-04-06   
636-402 8 Gray Summit MO STLVMOOH6MD  5562 METROPCS, INC. 520   2006-03-25   
636-402 9 Gray Summit MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-04-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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