Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: TYVLIL35DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-777 A Taylorville IL 197H COMPUTER TECHNIQUES, INC. - IL 976      
447-214 A Fillmore IL 197H COMPUTER TECHNIQUES, INC. - IL 976      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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