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How to call Chicago, United States from United States
Dial the following international dialing codes:


   1 + (224 or 312 or 630 or 708 or 773 or 847 or 872)   
+ Local Number

How to make your international call How to call Chicago in United States from United States:

1 - Exit code when making an international call from United States
1 + (224 or 312 or 630 or 708 or 773 or 847 or 872) + Local Number - International dialing code format

Note: United States and United States 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.

World time zone information World time zone information:

The time in United States is now (CLICK FOR TIME ZONES)

Cheap calling cards Save on your call:

Mobile Country Codes Mobile codes:

To call a mobile phone in United States from United States use the following dialing code format:
1 + The Number

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