Area code 312 - Wikipedia
Area code 312 is a telephone area code in the North American Numbering Plan for the city of Chicago, including downtown, the Chicago Loop, and its immediate environs.
312 Area Code - Location map, time zone, and phone lookup
Where is area code 312? Area code 312 serves part of Chicago, IL. It overlaps coverage areas with area code 872.
312 Area Code - Location, Time, Map, Cities and Census Data
5 days ago · 312 Area Code located in Illinois, including 16 cities, 3 counties, 1 time zone, map, Census demographics, and 778 active prefixes.
312 area code — information, time zone, map
2 days ago · 312 is an area code located in the state of Illinois, US. The largest city it serves is Chicago. Find out where 312 area code zone from, which states, counties and cities it covers. Get the most …
EK312 (UAE312) Emirates Flight Tracking and History - FlightAware
1 day ago · Flight status, tracking, and historical data for Emirates 312 (EK312/UAE312) including scheduled, estimated, and actual departure and arrival times.
Area Code 312 phone numbers - Whitepages
Browse area code 312 phone numbers, prefixes and exchanges. The 312 area code serves Chicago, Willowbrook, Elgin, Arlington Heights, Naperville, covering 23 ZIP codes in 4 counties.
312 Area Code - Map, Phone Lookup, Time Zone - Wirefly
Find 312 area code details including city, time zone, and map. Lookup area code 312 phone number, name, and location.
312 Area Code: Complete Location Info, Time Zone
Feb 13, 2026 · Area code 312 is in Illinois, USA. Locate phone numbers 312-200-XXXX through 312-999-XXXX. City list with local time, map and overlaying areas.
312 Area Code - Location, Map, Current Time, Prefixes
Area code 312 is located in Illinois. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.
312 Area Code - Reverse Phone Lookup in IL - USPhoneBook
Where is Area Code 312? Area code (312) is in the state of IL. Below, are the major cities in the area code (312).