Local Calling Guide

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

NXX: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-661 A Old Monroe MCA5 MO OLMRMOXARS1  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-661 0 Old Monroe MCA5 MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2019-01-11   
636-661 1 Old Monroe MCA5 MO   145J TERRA NOVA TELECOM INC. 520   2025-05-30   
636-661 2 Old Monroe MCA5 MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-11-24   
636-661 3 Old Monroe MCA5 MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-10-14   
636-661 4 Old Monroe MCA5 MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2008-07-10   
636-661 5 Old Monroe MCA5 MO OLMRMOXARS1  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-661 6 Old Monroe MCA5 MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2018-12-07   
636-661 8 Old Monroe MCA5 MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-11-24   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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