Area Code 779 Details and Prefixes
General Details about Area Code 779
Country United States
State / Province / Territory Illinois
Major City Unknown
Time Zone Unknown

Area Code 779 Prefixes

Prefix County Usage Type
779-200-xxxx Winnebago
779-201-xxxx La Salle
779-202-xxxx Jo Daviess
779-203-xxxx Winnebago
779-204-xxxx Grundy
779-205-xxxx Will
779-206-xxxx Will
779-207-xxxx Winnebago
779-208-xxxx Winnebago
779-209-xxxx Dekalb
779-210-xxxx Winnebago
779-212-xxxx Dekalb
779-213-xxxx La Salle
779-214-xxxx Jo Daviess
779-215-xxxx La Salle
779-216-xxxx Will
779-218-xxxx Iroquois
779-220-xxxx Mchenry
779-221-xxxx Winnebago
779-222-xxxx Dekalb
779-225-xxxx Will
779-226-xxxx Ogle
779-227-xxxx unknown
779-228-xxxx Grundy
779-229-xxxx Bureau
779-232-xxxx Will
779-233-xxxx Will
779-234-xxxx Will
779-235-xxxx Iroquois
779-236-xxxx Kankakee
779-240-xxxx unknown
779-245-xxxx Whiteside
779-251-xxxx Lee
779-279-xxxx Will
779-300-xxxx Winnebago
779-301-xxxx unknown
779-324-xxxx Will
779-333-xxxx Will
779-348-xxxx Winnebago
779-368-xxxx Winnebago
779-379-xxxx Will
779-382-xxxx Dekalb
779-400-xxxx Dekalb
779-423-xxxx Winnebago
779-429-xxxx Will
779-432-xxxx Bureau
779-435-xxxx Will
779-444-xxxx Mchenry
779-456-xxxx Will
779-475-xxxx Winnebago
779-500-xxxx Winnebago
779-529-xxxx Kankakee
779-537-xxxx Winnebago
779-545-xxxx Ogle
779-548-xxxx Mchenry
779-552-xxxx Boone
779-696-xxxx Winnebago
779-702-xxxx unknown
779-703-xxxx Will
779-704-xxxx Mchenry
779-770-xxxx Winnebago
779-771-xxxx Winnebago
779-772-xxxx Winnebago
779-774-xxxx Winnebago
779-777-xxxx Dekalb
779-800-xxxx Mchenry
779-803-xxxx Will
779-861-xxxx Lee
779-875-xxxx Will
779-903-xxxx Will
779-994-xxxx Mchenry
779-999-xxxx Kendall