Reference Data Rate Center Directory ROSE HILL, IL Rate Center ROSE HILL — IL Data last updated: March 10, 2026 LATA 978 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.10383435675933, -88.14837953724623 Area Codes 618 Top Carriers Carrier OCN NXX Count FRONTIER NORTH, INC. - IL 1015 1
