Area code 815
815 is Rockford, Joliet, Kankakee, Illinois.
Area code 815 at a glance
- State
- Illinois
- Main cities
- Rockford, Joliet, Kankakee, DeKalb, Freeport
- Time zone
- Central Time
- Local time now
- --:--:--
- Overlay codes
- 779
- In service since
- 1947
779 covers the exact same area as 815 — both are dialed with all 10 digits.
Get a 815 number
Rent a real 815 number and receive calls and text messages on it from anywhere. Calls ring in your browser, and voicemail is transcribed automatically.
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Available now
- +1 815 571 0269
- +1 815 515 2142
- +1 815 324 8312
- +1 815 658 0124
- +1 815 783 0044
Call a 815 number from abroad
Call any 815 number from your browser — no SIM, no app install, and no international roaming charge.
Calls to United States start at $0.02/min from QuikRing.
Call now in your browserCalling 815 from inside the US or Canada
Dial 1, then 815, then the 7-digit number.
Calling a 815 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 815?
Area code 815 covers Rockford, Joliet, Kankakee in Illinois.
What time is it in area code 815?
Area code 815 is in the Central Time time zone. See the live clock above for the current local time.
Is 779 the same area as 815?
Yes. 779 is an overlay of 815 — they cover the exact same area, so every call there needs all 10 digits dialed.
How do I get an area code 815 phone number?
Sign up for QuikRing and rent one of the available 815 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 815 from abroad?
Calls to United States numbers, including area code 815, start at $0.02/min with QuikRing — no roaming plan or SIM needed.