Short answer. The Illinois State Police publishes a non-emergency number for each district: find yours in the table below. If a life, a person or property is in danger right now, call 911 1.
Who to call
| Situation | Number | Source |
|---|---|---|
| Emergency: police, fire, ambulance | 911 | 1 |
Non-emergency numbers by district
| District | Number | Source |
|---|---|---|
| Troop 1 — Sterling | (815) 632-4010 | 2 |
| Troop 1 — Pecatonica | (815) 239-1152 | 2 |
| Troop 3 — Des Plaines | (847) 294-4400 | 3 |
| Troop 3 — Elgin | (847) 931-2405 | 3 |
| Troop 3 — Joliet | (815) 726-6377 | 3 |
| Troop 6 — Springfield | (217) 786-7107 | 4 |
| Troop 6 — Pittsfield | (217) 285-2034 | 4 |
| Troop 7 — Pesotum | (217) 867-2050 | 5 |
| Troop 8 — Collinsville | (618) 346-3990 | 6 |
| Troop 8 — Litchfield | (217) 324-4900 | 6 |
City police in Illinois
Inside a city, non-emergency calls usually go to the city police or sheriff. City lines in Illinois: Chicago, Aurora, Joliet, Naperville, Rockford, Elgin, Springfield, Peoria. All cities: Police non-emergency numbers by city.
Frequently asked questions
What is the ISP non-emergency number?
The Illinois State Police has one per district: see the table above. In an emergency, call 911 1.
Should I call 911 or the ISP non-emergency line?
Call 911 if a life, a person or property is in danger right now 1. Use the non-emergency line for everything else.
Sources · 6
- Federal Communications Commission · Text to 911: What You Need to Know checked 2026-10-20
- Illinois State Police · ISP Patrol Troop 1 - Illinois State Police checked 2026-11-09
- Illinois State Police · ISP Patrol Troop 3 - Illinois State Police checked 2026-11-09
- Illinois State Police · ISP Patrol Troop 6 - Illinois State Police checked 2026-11-09
- Illinois State Police · ISP Patrol Troop 7 - Illinois State Police checked 2026-11-09
- Illinois State Police · ISP Patrol Troop 8 - Illinois State Police checked 2026-11-09