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: 425

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-425 A Portage des Sioux MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
636-425 0 Portage des Sioux MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2011-11-10   
636-425 1 Portage des Sioux MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
636-425 2 Portage des Sioux MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-28   
636-425 3 Portage des Sioux MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-28   
636-425 4 Portage des Sioux MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2020-11-09   
636-425 5 Portage des Sioux MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2020-11-09   

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

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