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.

NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]

NXX: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-324 A Slater MO KSCYMO09QMD  516C AT&T CORP. 524      
660-324 0 Slater MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524   2013-10-07   
660-324 1 Slater MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524   2014-02-21   
660-324 2 Slater MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524   2015-01-05   
660-324 3 Slater MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524   2012-04-15   
660-324 4 Slater MO KSCYKSJOSMD  993E BANDWIDTH.COM CLEC, LLC - MO 524   2015-06-20   
660-324 5 Slater MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2017-04-03   
660-324 6 Slater MO KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
660-324 7 Slater MO KSCYMO09QMD  516C AT&T CORP. 524   2011-06-01   
660-324 8 Slater MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2019-02-02   
660-324 9 Slater MO KSCYMO55XXX  093F ONVOY, LLC - MO 524   2019-02-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.