Businesses and Places in Hannibal, Missouri

Hannibal is a city in Marion and Ralls counties in the U.S. state of Missouri. Interstate 72 and U.S. Routes 24, 36, and 61 intersect in the city, which is located along the Mississippi River approximately northwest of St. Louis and approximately west of Springfield, Illinois. According to the 2010 U.S. Census, the population was 17,606, making it the largest city in Marion County.
Phone Area Codes in Hannibal, MO: 573

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