Local Calling Guide

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

NXX: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-678 A Fenton MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-678 0 Fenton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-05-14   
636-678 1 Fenton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-02-02   
636-678 2 Fenton MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-678 3 Fenton MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-678 4 Fenton MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-03-01   
636-678 6 Fenton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-12   
636-678 7 Fenton MO STLSMO09WMD  516C AT&T CORP. 520   2006-06-30   
636-678 8 Fenton MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-02-02   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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