What area code is Ottawa, IL?
| City | Ottawa, IL |
|---|---|
| State | Illinois |
| Area code | 815 |
| Time zone | Central Time |
| Phone prefixes | 11 in our data |
Look up a Ottawa number
About area code 815
| Area code | Also covers |
|---|---|
| 815 | Rockford, Joliet, Kankakee and Woodstock |
Other places in area code 815
- Rockford, IL
- Joliet, IL
- Kankakee, IL
- Woodstock, IL
- DeKalb, IL
- Freeport, IL
- McHenry, IL
- Crystal Lake, IL
- Lockport, IL
- Plainfield, IL
- Sterling, IL
- Morris, IL
- Dixon, IL
- Oglesby, IL
- Peru, IL
- Princeton, IL
- Belvidere, IL
- New Lenox, IL
- Streator, IL
- Frankfort, IL
- Gardner, IL
- La Grange, IL
- Momence, IL
- Coal City, IL
Questions
- What is the area code for Ottawa, Illinois?
- Ottawa uses area code 815.
- What time zone is Ottawa in?
- Ottawa is in Central Time.
- Do I need to dial the area code for a local call in Ottawa?
- Usually yes. Most of the US and Canada now uses 10-digit local dialing, so it’s safest to include 815.
- How do I call Ottawa from another country?
- Dial your country’s exit code (011 from most places, 00 from Europe), then 1, then the area code and number: +1 815 XXX XXXX.