Phone Numbers beginning with 312 Area Code

Wondering who is calling you from Phone number starting with 312 area code? Browse phone numbers starting with 312 and search business and residential phone numbers to know owners' name and location of the phone number.

312 Area code is in the state of Illinois. Chicago is the largest city in the area code (312).

Popular Cities in 312 Area Code

  • Chicago, IL
  • Oak Park, IL
  • Carol Stream, IL
  • Naperville, IL
  • Downers Grove, IL
  • Skokie, IL
  • Wheeling, IL
  • Vernon Hills, IL
  • Evanston, IL
  • Schaumburg, IL
  • La Grange, IL
  • Deerfield, IL
  • Northbrook, IL
  • Lisle, IL
  • Des Plaines, IL
  • Antioch, IL

Zip Codes in 312 Area Code

  • 60035
  • 60137
  • 60201
  • 60304
  • 60409
  • 60540
  • 60608
  • 60707
  • 60827
  • 60901
  • 61032
  • 61241
  • 61354
  • 61550
  • 61614
  • 61840
  • 62236
  • 62451
  • 62525
  • 62959