WHAT YOU NEED TO KNOW
Area code 773 covers Chicago Neighborhoods in Illinois. The region operates on Central Time. It is an overlay of area code 312, requiring 10-digit dialing for all local calls.
WHAT YOU NEED TO KNOW
Area code 773 covers Chicago Neighborhoods in Illinois. The region operates on Central Time. It is an overlay of area code 312, requiring 10-digit dialing for all local calls.