Area Code 331 - Lemont, IL

Below is the information for Area Code 331
General Information for Area Code 331
Country United States
State/Province Illinois
Major City Lemont
Time Zone Central

Phone directory of numbers beginning with Area Code 331 Prefixes

Prefix Primary City County Phone Type
331-643 Aurora, IL Kane Cell Number
331-645 Elmhurst, IL Dupage Cell Number
331-684 Aurora, IL Kane Landline
331-702 Naperville, IL Dupage Landline
331-703 West Chicago, IL Dupage Cell Number
331-725 Oswego, IL Kendall Landline
331-777 Downers Grove, IL Dupage Landline
331-801 Unknown
331-803 Lemont, IL Cook Landline
331-825 Unknown
331-826 Elmhurst, IL Dupage Cell Number
331-888 Warrenville, IL Dupage Landline
331-903 Unknown
331-999 Oswego, IL Kendall Landline
331-555 Bartlett, IL Used in movie Cell Number
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Location Details

Area code is a type of numbering scheme used in telecommunication. It divides the territories of its member countries, the code is a three-digit code. The digits 0 and 1 applied for central office codes. Other digits were applied into geographic areas of the service territory.

  • 200: easily recognizable code (ERC)
  • 201: New Jersey
  • 202: Washington, D.C.
  • 203: Connecticut
  • and so on.

If you want to get more informatons of the areacode, Input an areacode into the above search area, get what you want.