e/Area code 312

Information
has gloss	eng: Area code 312 encompasses the Chicago Loop and surrounding areas of the city of Chicago, Illinois. It is roughly bounded by North Avenue on the north, Ashland Avenue on the west, Lake Michigan on the east, and 31st Street on the south. By size, it is one of the smallest area codes in the nation, encompassing only a few square miles.
lexicalization	eng: Area code 312
instance of	c/Area codes in Illinois