State Government locations near O'fallon, IL

Showing 1–10 of 10 results

This page indexes 10 state government listings for O'fallon, IL, covering 7 ZIP codes. Details on this page were last refreshed Jul 2026.

United States Government

National Government

📍 401 Ponderosa Ave, O'Fallon, IL, 62269

📞 618-632-4180

United States Government

National Government

📍 1111 S Lincoln Ave, O'Fallon, IL, 62269

📞 618-632-4691

United States Government

National Government

📍 310 W Losey St, Scott Air Force Base, IL, 62225

📞 618-256-1110

United States Government

National Government

📍 2101 Golf Course Rd, Scott Air Force Base, IL, 62225

📞 618-222-4300

United States Government

National Government

📍 4969 Benchmark Centre Dr, Swansea, IL, 62226

📞 618-624-4993

United States Government

National Government

📍 1670 Lebanon Ave, Belleville, IL, 62221

📞 618-235-0455

United States Government

National Government

📍 2031 Mascoutah Ave, Belleville, IL, 62220

📞 618-233-5577

Updated Jul 2026

State Of Illinois

State Government

📍 201 W Pointe Dr Ste 7, Swansea, IL, 62226

📞 618-236-8616

🌐 illinois.gov

Updated Jul 2026

State Of Illinois

State Government

📍 15 Executive Dr Ste 3, Fairview Heights, IL, 62208

📞 618-624-8670

🌐 illinois.gov

United States Government

National Government

📍 201 E Saint Louis St, Lebanon, IL, 62254

📞 618-537-4439

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