Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Harvester MCA4, MO

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-261 A WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-261 0 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 1 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 2 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 3 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 4 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 5 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 6 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 7 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 8 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-261 9 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2003-05-14   
636-263 A STLSMO09DS1  7421 AT&T - LOCAL 520      
636-263 0 STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-28   
636-263 1 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-02-22   
636-263 2 STLSMO09DS1  7421 AT&T - LOCAL 520      
636-263 3   792K CHARTER IP ENABLED SERVICES, LLC 520   2018-08-12   
636-263 4 STLSMOGZEMD  145J TERRA NOVA TELECOM INC. 520   2024-04-21   
636-263 5 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2020-03-17   
636-263 6 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-02-22   
636-263 7 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-02-02   
636-263 8 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-02-02   
636-263 9 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-02-22   
636-300 A WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-300 0 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-300 1 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-300 2 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-300 3 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-300 4 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-300 5 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-300 6 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2011-01-07   
636-300 7 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2009-10-28   
636-300 8 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-300 9 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-344 A WDSPMO01DS0  9533 SOUTHWESTERN BELL 520      
636-344 0 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-17   
636-344 1 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2005-06-23   
636-344 2 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2005-06-23   
636-344 3 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2005-06-23   
636-344 4 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2005-06-23   
636-344 5 WDSPMO01DS0  9533 SOUTHWESTERN BELL 520   2005-06-23   
636-344 6 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2010-10-28   
636-344 7 STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2009-02-05   
636-344 8 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2010-10-28   
636-344 9 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2010-10-28   
636-441 A HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-442 A HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-442 0 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-03-10   
636-442 1 STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2004-12-30   
636-442 2 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2012-04-22   
636-442 3 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2019-03-17   
636-442 4 STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2003-01-12   
636-442 5 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2002-11-19   
636-442 6 STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-04   
636-442 7 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-442 8   792K CHARTER IP ENABLED SERVICES, LLC 520   2003-04-23   
636-442 9 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2010-10-28   
636-477 A HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-477 0 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-477 1 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-477 2 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-477 3 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-477 4 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-477 5 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2010-10-28   
636-477 6   792K CHARTER IP ENABLED SERVICES, LLC 520   2013-05-05   
636-477 7 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-477 8 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-477 9 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-498 A HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-498 0 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-498 1 STLVMOOH6MD  5562 METROPCS, INC. 520   2013-03-16   
636-498 2 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-06-25   
636-498 3 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-498 4 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-12-11   
636-498 5 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-498 6 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-498 7 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-498 8 HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-498 9 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-08-28   
636-685 A CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-685 0   792K CHARTER IP ENABLED SERVICES, LLC 520   2015-07-27   
636-685 1 CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-685 2 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-03-10   
636-685 3 CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-685 4 CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-685 5 CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-685 6 CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-685 7 CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-685 8 CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-685 9 CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-722 A HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-793 A STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-793 0 STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-793 1 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2020-08-17   
636-793 2 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2020-08-17   
636-793 3 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-02-18   
636-793 4 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-02-18   
636-793 5 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2019-10-29   
636-793 6 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2019-07-21   
636-793 7 STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-793 8 STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      

1 2 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.