The 312 Area Code is located in the state of Illinois. Area Code 312 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 203,273 unique phone numbers.
Cities in the 208 area code include: Chicago,
Find out who that 312 phone number is registered to. Our free reverse phone lookup allows you to search records associated with a landline or cell phone number to help quickly identify whoβs calling or texting you.
Statistics based on US Census data for Area Code 312
Median Age
The median age for the 312 area code was sourced from the US Census
Median Income
The median income for the 312 area code was sourced from the US Census
Median Home Value
The median home value for the 312 area code was sourced from the US Census
Total Population
The total population for the 312 area code was sourced from the US Census
761 prefixes
(312) 295
Wireless
USA Mobility
La Grange Park
02/11/1995
(312) 390
Wireless
American Messaging
Chicago
04/16/2001
(312) 600
Landline
Neutral Tandem
Chicago
05/01/2012
(312) 242
Landline
Teleport Communications America
Chicago
08/20/2000
(312) 682
Wireless
USA Mobility
Chicago
02/04/1994