CareSource is a nonprofit that began as a managed health care plan serving Medicaid members in Ohio. Today, it provides public health care programs including Medicaid, Medicare, and Marketplace. The company is headquartered in Dayton, Ohio. It is the largest Medicaid plan in Ohio and second largest in the United States.
The 313 area code is registered in Michigan. 87.57% of phone numbers within the 313 area code are registered as residential/consumer phone numbers, and 12.43% are registered as commercial/business phone numbers.
Area code 305 was put into service. In 1953 area code 305 was split to form area code 813. In 1965 area code 305 was split to form area code 904.In 1988 area code 305 was split to form area code 407.In 1995 area code 305 was split to form area code 954. In 1998 area code 305 was partially overlaid with area code 786, this included Miami-Dade County but not the Florida Keys in Monroe County.n 1953 area code 305 was split to form area code 813. In 1965 area code 305 was split to form area code 904. In 1988 area code 305 was split to form area code 407.