How to call
Illinois,
United States
from
Canada
Dial the following international dialing codes:
1 + City Code + Local Number
How to call Illinois in United States from Canada:
1 - Canada exit code
1 + Area Code + Local Number - Overall dialing code format
Note: United States and Canada are both members of NANP (North American Numbering Plan) so when calling between these countries, 1 is used in place of the country exit code.
To call a mobile phone in United States from Canada use the following dialing code format: 1 + The Number Click here to search for another mobile country code.
The Illinois, United States area code chart below gives you the necessary information for calling Illinois cities. For international dialing instructions to Illinois, United States, use our drop down boxes at the top of this page or check out our easy-to-use country code search tool.
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