Area Code 779 - Rockford, IL

Below is the information for Area Code 779
General Information for Area Code 779
Country United States
State/Province Illinois
Major City Rockford
Time Zone Central

Phone directory of numbers beginning with Area Code 779 Prefixes

Prefix Primary City County Phone Type
779-225 Joliet, IL Will Cell Number
779-226 Polo, IL Ogle Landline
779-227 Unknown
779-228 Mazon, IL Grundy Landline
779-229 Spring Valley, IL Bureau Landline
779-232 Wilmington, IL Will Landline
779-233 Joliet, IL Will Cell Number
779-234 Plainfield, IL Will Landline
779-235 Crescent City, IL Iroquois Cell Number
779-236 Kankakee, IL Kankakee Cell Number
779-240 Unknown
779-245 Sterling, IL Whiteside Cell Number
779-251 Dixon, IL Lee Landline
779-279 Joliet, IL Will Cell Number
779-300 Rockford, IL Winnebago Cell Number
779-301 Unknown
779-324 Frankfort, IL Will Landline
779-333 Frankfort, IL Will Landline
779-348 Rockford, IL Winnebago Landline
779-368 New Milford, IL Winnebago Landline

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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.

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