Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-500 0 Imperial MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-01-10   
636-500 1 Imperial MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-28   
636-500 2 Imperial MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-28   
636-500 4 Imperial MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-500 5 Imperial MO   114J EXIANT COMMUNICATIONS LLC 520   2026-05-23   
636-500 7 Imperial MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-04-05   
636-500 9 Imperial MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-04-05   
636-515 A O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-515 0 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520   2015-05-18   
636-515 1 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520   2015-08-03   
636-515 2 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520   2015-08-03   
636-515 3 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-11-11   
636-515 4 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520   2014-03-21   
636-515 5 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-01-18   
636-515 6 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-01-18   
636-515 7 O'Fallon MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520   2014-10-16   
636-515 8 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2014-09-06   
636-515 9 O'Fallon MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2014-03-20   
636-517 A Valley Park MO VYPKMO64DS0  9533 SOUTHWESTERN BELL 520      
636-517 0 Valley Park MO VYPKMO64DS0  9533 SOUTHWESTERN BELL 520      
636-517 1 Valley Park MO STLSMO09WMD  516C AT&T CORP. 520   2006-06-30   
636-517 2 Valley Park MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-11   
636-517 3 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   
636-517 4 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   
636-517 5 Valley Park MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2012-01-15   
636-517 6 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   
636-517 7 Valley Park MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2024-06-19   
636-517 8 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   
636-517 9 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   
636-519 A Chesterfield MCA3 MO CHFDMO52DSA  9533 SOUTHWESTERN BELL 520      
636-524 A Festus-Crystal City MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-524 0 Festus-Crystal City MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-02-10   
636-524 1 Festus-Crystal City MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-11-24   
636-524 2 Festus-Crystal City MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2007-03-15   
636-524 3 Festus-Crystal City MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2007-03-15   
636-524 4 Festus-Crystal City MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-524 5 Festus-Crystal City MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2007-07-18   
636-524 6 Festus-Crystal City MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2004-02-08   
636-524 7 Festus-Crystal City MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2004-09-26   
636-524 8 Festus-Crystal City MO FSTSMOYEDS0  9533 SOUTHWESTERN BELL 520   2007-06-11   
636-524 9 Festus-Crystal City MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2007-07-18   
636-525 A Imperial MO IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-525 0 Imperial MO IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-525 1 Imperial MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-17   
636-525 2 Imperial MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2022-01-09   
636-525 3 Imperial MO STLSMO09WMD  516C AT&T CORP. 520   2010-03-25   
636-525 4 Imperial MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2022-01-09   
636-525 5 Imperial MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-04   
636-525 6 Imperial MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-04   
636-527 A Manchester MO MNCHMO59DS0  9533 SOUTHWESTERN BELL 520      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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