Area Code 779

General Information
Country United States
State/Province Illinois
Major City Rockford
Time Zone Central (UTC-06:00)
Current Local Time 20:20

Area Code Prefixes

Prefix County Primary City
779-200 Winnebago Rockford
779-201 La Salle La Salle
779-202 Jo Daviess Galena
779-203 Winnebago Rockford
779-204 Grundy Verona
779-205 Will Joliet
779-206 Will Joliet
779-207 Winnebago Rockford
779-208 Winnebago Rockford
779-209 Dekalb Sandwich
779-210 Winnebago Rockford
779-212 Dekalb Dekalb
779-213 La Salle Oglesby
779-214 Jo Daviess Galena
779-215 La Salle Tonica
779-216 Will Frankfort
779-218 Iroquois Watseka
779-220 Mchenry Crystal Lake
779-221 Winnebago Rockford
779-222 Dekalb Dekalb
779-225 Will Joliet
779-226 Ogle Polo
779-227 Will Joliet
779-228 Grundy Mazon
779-229 Putnam Hennepin
779-232 Will Wilmington
779-233 Will Joliet
779-234 Will Plainfield
779-235 Iroquois Crescent City
779-236 Kankakee Kankakee
779-240 Kankakee Kankakee
779-245 Whiteside Sterling
779-251 Lee Dixon
779-253 Winnebago South Beloit
779-254 Will Will
779-279 Will Joliet
779-300 Winnebago Rockford
779-301 Kankakee Kankakee
779-302 Mchenry Woodstock
779-324 Will Frankfort
779-333 Will Frankfort
779-348 Winnebago Rockford
779-368 Winnebago Rockford
779-379 Will Joliet
779-382 Dekalb Genoa
779-400 Dekalb Dekalb
779-423 Winnebago Rockford
779-429 Will Wilmington
779-432 Bureau Sheffield
779-435 Will Joliet

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