Better Business Bureau Serving Eastern Missouri and Southern Illinois opened its Mid-Missouri Branch in August 2010. The branch provides local BBB staff to help consumers and businesses in 13 Mid-Missouri counties. If you live or work in Mid-Missouri – or own a company that does business here – please take advantage of our Mid-MO BBB branch office. We’re here to help you! To reach our Mid-Missouri Branch, call (573) 886-8965 or email firstname.lastname@example.org.