Jan 1, 2026 · 779 Area Code located in Illinois, including 128 cities, 23 counties, 1 time zone, map, Census demographics, and 300 active prefixes.

It also serves the Joliet area and some of Chicago’s western and northwestern suburbs. 815 was one of the four original Illinois area codes assigned in 1947. Area code 779 was added to the same …

Browse area code 779 phone numbers, prefixes and exchanges. The 779 area code serves Chicago, Rockford, DeKalb, Willowbrook, Hickory Hills, covering 25 ZIP codes in 13 counties.

Jan 18, 2011 · Find 779 area code details including city, time zone, and map. Lookup area code 779 phone number, name, and location.

3 days ago · 779 is an area code located in the state of Illinois, US. The largest city it serves is Rockford. Find out where 779 area code zone from, which states, counties and cities it covers. Get the most …

Area code 779 is located in Illinois. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

The 779 area code is a telephone area code serving most of northern Illinois. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 779 area code) below and access …

Where is Area Code 779? The 779 area code is located in the state of Illinois . 779 is one of the 357 three-digit telephone area codes in the USA. It covers roughly 46,243 unique phone numbers and …

About area code 779: location, common spam callers, related area codes, and more. Includes 779 reverse phone lookup to identify spam callers.

The 779 Area Code is located in the state of Illinois. Area Code 779 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 3,089,977 unique phone numbers and 881,444 …