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.
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OCN: 197H COMPUTER TECHNIQUES, INC. - IL

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
217-230 0 Edinburg IL TYVLIL35DS0  976   2020-10-08   
217-297 0 Pana IL TYVLIL35DS0  976   2020-10-10   
217-534 8 Coffeen IL TYVLIL35DS0  976   2021-11-08   
217-608 0 Hillsboro IL TYVLIL35DS0  976   2017-12-08   
217-630 0 Nokomis IL TYVLIL35DS0  976   2017-12-08   
217-777 A Taylorville IL TYVLIL35DS0  976      
217-913 1 Stonington IL   976   2022-08-27   
217-969 1 Litchfield IL   976   2022-08-27   
447-214 A Fillmore IL TYVLIL35DS0  976   2021-11-25   
447-236 A Rochester IL   374   2022-09-10   
447-236 1 Rochester IL   374   2022-09-10   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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