Area code 810
Area code 810 is a telephone area code in the North American Numbering Plan (NANP) serving the state of Michigan in the United States. It covers the east-central part of Michigan, including parts of the Thumb region and the city of Flint. It was created in 1993 as a split from 313. It was split by 248 in 1997 and then 586 and 989, both in 2001.