Peoria Regional Office 324 Main St # 401 Peoria, IL 61602 Phone : (309) 672-6919 Business Category Government Offices-County Junior Colleges & Technical Institutes Legislative Bodies Peoria County Of--education Service Region Courthouse, Vocational Education 324 Main St Peoria, IL 61602 Phone : (309) 672-6919 Business Category Government Offices-County Government Offices & Public Schools