Illinois Phone Prefixes in 779-5XX Area Code

Phone Prefixes in the 779-5XX Area Code

Prefix Usage Primary City
(779) 529 Landline Manteno
(779) 500 Landline Rockford
(779) 537 Wireless Rockford
Prefix Usage Primary City
(779) 548 Landline Marengo
(779) 552 Landline Belvidere
(779) 545 Landline Mt Morris

More 7XX Area Codes Phone Numbers