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.

Ladue, MO

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
314-455 7 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2016-09-09   
314-455 8 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2016-09-09   
314-455 9 OLVEMOAX0MD  792K CHARTER IP ENABLED SERVICES, LLC 520   2016-09-08   
314-456 A STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-456 0 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2006-11-12   
314-456 1 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-456 2 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2006-11-12   
314-456 3 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-456 4 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2007-03-26   
314-456 5 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2007-03-26   
314-456 6 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-456 7 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2007-03-26   
314-456 8 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2007-03-26   
314-456 9 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 A STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 0 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2007-03-26   
314-458 1 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 2 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2007-03-26   
314-458 3 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 4 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 5 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 6 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 7 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 8 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-458 9 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-459 A STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-459 0 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 1 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 2 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 3 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 4 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 5 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 6 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 7 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 8 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2012-01-12   
314-459 9 STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-10-04   
314-463 A STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
314-463 0 STLSMOPL5MD  197D VONAGE AMERICA LLC 520   2018-12-06   
314-463 1 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2021-03-15   
314-463 2 STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2019-10-21   
314-463 3 STLSMOPL5MD  197D VONAGE AMERICA LLC 520   2018-12-06   
314-463 4 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-09-27   
314-463 5 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-09-27   
314-463 6 STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-10-22   
314-463 7 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2020-06-29   
314-463 8 STLSMOPL5MD  197D VONAGE AMERICA LLC 520   2018-12-06   
314-463 9 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2020-07-04   
314-468 A STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-473 A STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-473 0 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2011-07-26   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.