312 was the area code for all of Chicago for a long time; it's still the code of choice for the Loop, and most of the Near North and Near South. 773 surrounds the center, covering everything else within city limits.
Suburban areas close to the city use 847 (north/northwest), 708 (south), 815 (southwest), and 630 (west).
The Most Frequently Asked Travel Questions about Chicago
Where To Stay & Best Hotels in Chicago - updated Apr 2024
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Chicago Travel Guide from Wikitravel. Many thanks to all Wikitravel contributors. Text is available under Creative Commons Attribution-ShareAlike 3.0, images are available under various licenses, see each image for details.
