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.

St Charles, MO

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-395 A STLSMO09WMD  516C AT&T CORP. 520      
636-395 0   993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-17   
636-395 1   6529 T-MOBILE USA, INC. 520   2007-04-30   
636-395 2   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2009-07-13   
636-395 3   6529 T-MOBILE USA, INC. 520   2007-07-27   
636-395 4   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-05-13   
636-395 5   6529 T-MOBILE USA, INC. 520   2019-11-21   
636-395 6   6529 T-MOBILE USA, INC. 520   2007-07-27   
636-395 7   516C AT&T CORP. 520   2006-06-30   
636-395 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-08-21   
636-395 9   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2010-12-03   
636-410 A STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 0   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 1   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 2   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 3   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 4   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 5   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 6   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 7   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-410 8   792K CHARTER IP ENABLED SERVICES, LLC 520   2015-08-07   
636-410 9   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-448 A NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-487 A STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-487 0   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-487 1   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2008-02-11   
636-487 2   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2008-02-11   
636-487 3   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2009-08-27   
636-487 4   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-487 5   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2011-02-07   
636-487 6   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2009-11-13   
636-487 7   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2009-11-13   
636-487 8   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2010-06-24   
636-487 9   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2011-03-26   
636-493 A   792K CHARTER IP ENABLED SERVICES, LLC 520      
636-493 0   792K CHARTER IP ENABLED SERVICES, LLC 520      
636-493 1   792K CHARTER IP ENABLED SERVICES, LLC 520      
636-493 2   6529 T-MOBILE USA, INC. 520   2020-09-19   
636-493 3   792K CHARTER IP ENABLED SERVICES, LLC 520   2020-09-06   
636-493 4   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2012-04-24   
636-493 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-08-21   
636-493 6   792K CHARTER IP ENABLED SERVICES, LLC 520   2011-06-24   
636-493 7   6529 T-MOBILE USA, INC. 520   2020-09-19   
636-493 8   993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-04-07   
636-493 9   792K CHARTER IP ENABLED SERVICES, LLC 520      
636-541 A NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-541 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-541 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-541 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-541 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-541 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-541 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-541 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-541 7   6529 T-MOBILE USA, INC. 520   2006-07-17   
636-541 8   6529 T-MOBILE USA, INC. 520   2006-06-25   
636-541 9   6529 T-MOBILE USA, INC. 520   2006-04-05   
636-573 A STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-574 A STLSMO05XKX  9748 AMERICAN MESSAGING SERVICES, LLC 520      
636-578 A STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
636-578 0   6529 T-MOBILE USA, INC. 520      
636-578 1   6529 T-MOBILE USA, INC. 520      
636-578 2   6529 T-MOBILE USA, INC. 520      
636-578 3   6529 T-MOBILE USA, INC. 520      
636-578 4   6529 T-MOBILE USA, INC. 520      
636-578 5   6529 T-MOBILE USA, INC. 520      
636-578 6   6529 T-MOBILE USA, INC. 520      
636-578 7   6529 T-MOBILE USA, INC. 520      
636-578 8   6529 T-MOBILE USA, INC. 520      
636-578 9   5562 METROPCS, INC. 520      
636-627 A   792K CHARTER IP ENABLED SERVICES, LLC 520      
636-627 0   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-627 1   6529 T-MOBILE USA, INC. 520   2006-08-02   
636-627 2   792K CHARTER IP ENABLED SERVICES, LLC 520   2010-12-27   
636-627 6   792K CHARTER IP ENABLED SERVICES, LLC 520   2010-12-27   
636-627 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-07-22   
636-627 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-07-22   
636-627 9   6529 T-MOBILE USA, INC. 520   2005-12-08   
636-634 A   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-634 0   6529 T-MOBILE USA, INC. 520   2002-12-26   
636-634 1   6529 T-MOBILE USA, INC. 520   2002-12-26   
636-634 2   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-634 3   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-634 4   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-634 5   6529 T-MOBILE USA, INC. 520   2002-12-26   
636-634 6   6529 T-MOBILE USA, INC. 520   2005-03-11   
636-634 7   6529 T-MOBILE USA, INC. 520   2004-11-09   
636-634 8   6529 T-MOBILE USA, INC. 520   2005-08-21   
636-634 9   145J TERRA NOVA TELECOM INC. 520   2024-09-14   
636-669 A STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
636-669 0   829J PAETEC ITEL, LLC 520      
636-669 1   829J PAETEC ITEL, LLC 520      
636-669 2   829J PAETEC ITEL, LLC 520      
636-669 3   829J PAETEC ITEL, LLC 520      
636-669 4   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2011-12-19   
636-669 5   829J PAETEC ITEL, LLC 520   2009-02-12   
636-669 6   829J PAETEC ITEL, LLC 520      
636-669 7   829J PAETEC ITEL, LLC 520      
636-669 8   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2011-03-26   
636-669 9   829J PAETEC ITEL, LLC 520      
636-699 A STLSMOWQDS2  093F ONVOY, LLC - MO 520      

<< 1 2 3 >>

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.