Belleville is a city in St. Clair County, Illinois, coterminous with the now defunct Belleville Township. The population was 42,034 according to the Census Bureau's 2015 estimates.
Phone Area Codes in Belleville, IL: 618

• Churches
• Hospitals
• Pharmacies
• Urgent Care
• Child Care
• Collages and Universities
• Supplemental Colleges
• Private Schools
• Public Schools
• Sports Venues
• Solid Waste Landfill
• Mobile Home Parks
• Nursing Homes
• Assisted Care
• Airports
• Public Transit Stations
• Public Health Departments
• Banks
• Credit Unions
• DHL Locations
• Fedex Locations
• UPS Store
• Walmart