The 331 area code belongs to the state of Illinois (IL) and some of the locations covered are Bollingbrook, Wheaton and more:
| State | Larger cities in area code 331 | Time Zone |
|---|---|---|
| IL Illinois |
Addison, Aurora, Bartlett, Batavia, Bensenville, Bloomingdale, Bolingbrook, Carol Stream, Darien, Downers Grove, Elmhurst, Glen Ellyn, Glendale Heights, Hanover Park, Lisle, Lombard, Naperville, Roselle, St. Charles, Streamwood, Villa Park, West Chicago, Westmont, Wheaton, Woodridge More cities |
CENTRAL Current time is
05:54:47 PM |
| -- overlays area code 630 -- | ||