Illinois Phone Prefixes in 779-3XX Area Code

Phone Prefixes in the 779-3XX Area Code

Prefix Usage Primary City
(779) 348 Landline Rockford
(779) 379 Wireless Joliet
(779) 300 Wireless Rockford
(779) 333 Landline Frankfort
Prefix Usage Primary City
(779) 301 Unknown
(779) 324 Landline Frankfort
(779) 368 Landline New Milford
(779) 382 Landline Genoa

More 7XX Area Codes Phone Numbers