Area code 773 is a telephone areacode in the North American Numbering Plan (NANP) in the U.S. state of Illinois. It serves the outer areas of Chicago, outside the Loop and the innermost neighborhoods. Where is area code 773? Area code 773 serves most of Chicago, IL. It overlaps coverage areas with area code 872. Find 773areacode details including city, time zone, and map. Lookup areacode773 phone number, name, and location. 3 days ago · 773 is an area code located in the state of Illinois, US. The largest city it serves is Chicago. Find out where 773 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here. Area code 773 serves the neighborhoods of Chicago outside the downtown core, including areas such as Wrigleyville, Logan Square, Englewood, and Albany Park. It was created in 1996 when it split from area code 312, which now serves only the central business district. Area code 773 serves the City of Chicago, Illinois, covering most neighborhoods on the North, West, and South Sides. It was established in 1996 when Chicago’s original 312 area code was split, leaving 312 for the downtown core and nearby business districts. About areacode773: location, common spam callers, related area codes, and more. Includes 773 reverse phone lookup to identify spam callers. 3 days ago · 773 is an area code located in the state of Illinois, US. The largest city it serves is Chicago. Find out where 773 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here. Area code 773 serves the neighborhoods of Chicago outside the downtown core, including areas such as Wrigleyville, Logan Square, Englewood, and Albany Park. It was created in 1996 when it split from area code 312, which now serves only the central business district. Area code 773 serves the City of Chicago, Illinois, covering most neighborhoods on the North, West, and South Sides. It was established in 1996 when Chicago’s original 312 area code was split, leaving 312 for the downtown core and nearby business districts. About areacode773: location, common spam callers, related area codes, and more. Includes 773 reverse phone lookup to identify spam callers. Area code 773 serves the neighborhoods of Chicago outside the downtown core, including areas such as Wrigleyville, Logan Square, Englewood, and Albany Park. It was created in 1996 when it split from area code 312, which now serves only the central business district. Area code 773 serves the City of Chicago, Illinois, covering most neighborhoods on the North, West, and South Sides. It was established in 1996 when Chicago’s original 312 area code was split, leaving 312 for the downtown core and nearby business districts. About areacode773: location, common spam callers, related area codes, and more. Includes 773 reverse phone lookup to identify spam callers.