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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-428 A High Ridge MO   7218 TELEPORT COMMUNICATIONS GROUP - ST. LOUIS 520      
636-428 0 High Ridge MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-10-08   
636-428 1 High Ridge MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-10-08   
636-428 2 High Ridge MO   093F ONVOY, LLC MO 520   2016-09-28   
636-428 3 High Ridge MO   093F ONVOY, LLC MO 520   2016-09-28   
636-428 4 High Ridge MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-12-19   
636-428 5 High Ridge MO   093F ONVOY, LLC MO 520   2016-03-28   
636-428 6 High Ridge MO   7218 TELEPORT COMMUNICATIONS GROUP - ST. LOUIS 520   2015-08-14   
636-428 7 High Ridge MO   093F ONVOY, LLC MO 520   2016-03-28   
636-428 8 High Ridge MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-10-08   
636-428 9 High Ridge MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-10-08   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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