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 Louis, 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
314-242 5   9533 SOUTHWESTERN BELL 520      
314-242 6   9533 SOUTHWESTERN BELL 520      
314-242 7   9533 SOUTHWESTERN BELL 520      
314-242 8   9533 SOUTHWESTERN BELL 520      
314-242 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-243 A NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-243 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-243 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2008-05-27   
314-244 A STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-244 0   9533 SOUTHWESTERN BELL 520      
314-244 1   9533 SOUTHWESTERN BELL 520      
314-244 2   9533 SOUTHWESTERN BELL 520      
314-244 3   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2007-08-20   
314-244 4   9533 SOUTHWESTERN BELL 520      
314-244 5   9533 SOUTHWESTERN BELL 520      
314-244 6   9533 SOUTHWESTERN BELL 520      
314-244 7   9533 SOUTHWESTERN BELL 520      
314-244 8   9533 SOUTHWESTERN BELL 520      
314-244 9   9533 SOUTHWESTERN BELL 520      
314-245 A STLSMOZE7MD  6630 USA MOBILITY WIRELESS, INC. 520      
314-247 A STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-250 A NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-250 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-250 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-04-16   
314-255 A MRHGMOGYDS2  4774 XO MISSOURI, INC. 520      
314-255 0   4774 XO MISSOURI, INC. 520      
314-255 1   4774 XO MISSOURI, INC. 520      
314-255 2   4774 XO MISSOURI, INC. 520      
314-255 3   6529 T-MOBILE USA, INC. 520   2003-10-03   
314-255 4   6529 T-MOBILE USA, INC. 520   2004-02-07   
314-255 5   6529 T-MOBILE USA, INC. 520   2004-02-07   
314-255 6   6529 T-MOBILE USA, INC. 520   2004-02-07   
314-255 7   6529 T-MOBILE USA, INC. 520   2004-02-07   
314-255 8   6529 T-MOBILE USA, INC. 520   2004-02-07   
314-255 9   6529 T-MOBILE USA, INC. 520   2005-03-31   
314-256 A STLSMO11DSA  9533 SOUTHWESTERN BELL 520      
314-256 0   9533 SOUTHWESTERN BELL 520      
314-256 1   792K CHARTER IP ENABLED SERVICES, LLC 520   2005-06-17   
314-256 2   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2005-07-17   
314-256 3   9533 SOUTHWESTERN BELL 520      
314-256 4   9533 SOUTHWESTERN BELL 520      
314-256 5   9533 SOUTHWESTERN BELL 520      
314-256 6   9533 SOUTHWESTERN BELL 520      
314-256 7   9533 SOUTHWESTERN BELL 520      
314-256 8   9533 SOUTHWESTERN BELL 520      
314-256 9   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2005-07-17   
314-257 A STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
314-257 0   993E BANDWIDTH.COM CLEC, LLC - MO 520   2018-05-28   
314-257 1   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-04-09   
314-257 2   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-04-09   
314-257 3   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-04-09   
314-257 4   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-04-09   
314-257 5   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-04-09   
314-257 6   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-04-09   
314-257 7   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-04-09   
314-257 8   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2018-04-09   
314-257 9   792K CHARTER IP ENABLED SERVICES, LLC 520   2018-06-17   
314-259 A STLSMO01DSA  9533 SOUTHWESTERN BELL 520      
314-259 0   9533 SOUTHWESTERN BELL 520      
314-259 1   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2005-07-17   
314-259 2   9533 SOUTHWESTERN BELL 520      
314-259 3   9533 SOUTHWESTERN BELL 520      
314-259 4   9533 SOUTHWESTERN BELL 520      
314-259 5   9533 SOUTHWESTERN BELL 520      
314-259 6   9533 SOUTHWESTERN BELL 520      
314-259 7   9533 SOUTHWESTERN BELL 520      
314-259 8   9533 SOUTHWESTERN BELL 520      
314-259 9   9533 SOUTHWESTERN BELL 520      
314-260 A STLSMO02RS1  9533 SOUTHWESTERN BELL 520      
314-260 0   9533 SOUTHWESTERN BELL 520      
314-260 1   093F ONVOY, LLC - MO 520   2008-06-13   
314-260 2   9533 SOUTHWESTERN BELL 520      
314-260 3   9533 SOUTHWESTERN BELL 520      
314-260 4   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2005-07-17   
314-260 5   9533 SOUTHWESTERN BELL 520      
314-260 6   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2005-07-17   
314-260 7   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2005-07-17   
314-260 8   9533 SOUTHWESTERN BELL 520      
314-260 9   792K CHARTER IP ENABLED SERVICES, LLC 520   2005-07-26   
314-261 A STLSMO02DS2  9533 SOUTHWESTERN BELL 520      
314-261 0   792K CHARTER IP ENABLED SERVICES, LLC 520   2018-08-26   
314-261 1   9533 SOUTHWESTERN BELL 520      
314-261 2   9533 SOUTHWESTERN BELL 520      
314-261 3   6529 T-MOBILE USA, INC. 520   2006-01-03   

<< 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 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.