Local Calling Guide

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

NXX: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-856 A Wentzville MO   792K CHARTER IP ENABLED SERVICES, LLC 520      
636-856 0 Wentzville MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2008-03-15   
636-856 1 Wentzville MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2012-11-30   
636-856 2 Wentzville MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2012-09-24   
636-856 3 Wentzville MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2012-12-02   
636-856 4 Wentzville MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2012-12-02   
636-856 5 Wentzville MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-05-10   
636-856 6 Wentzville MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2014-03-29   
636-856 7 Wentzville MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2014-03-29   
636-856 8 Wentzville MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2014-05-12   
636-856 9 Wentzville MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2015-12-07   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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