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: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-821 A Pond MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
636-821 1 Pond MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2004-02-01   
636-821 2 Pond MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
636-821 3 Pond MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2006-04-16   
636-821 4 Pond MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-10-09   
636-821 5 Pond MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2009-08-20   
636-821 6 Pond MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-02-12   
636-821 7 Pond MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-12   
636-821 8 Pond MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2004-12-15   

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

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