The most populous cities in area code 810 are: Flint, Port Huron, Brighton, Lapeer, and Grand Blanc.
Other cities in the 810 area code include: Fenton, Algonac, Davison, Sandusky, Saint Clair, Marine City, Imlay City, Southfield, Dryden, Swartz Creek, Hartland, Burton, Flushing, Memphis, Lexington, Carsonville, Capac, Croswell, Montrose, Byron, Yale, Deckerville, Port Sanilac, Brown City, Mount Morris, Clio, Linden, Applegate, Goodrich, Columbiaville, Metamora, Emmett, Marysville, Almont, Otisville, Jeddo, North Branch, Snover, Smiths Creek, New Lothrop, Pontiac, Goodells, Avoca, Lennon, Peck, and Fort Gratiot.
Flint is the largest city and county seat of Genesee County, Michigan. Located along the Flint River, 66 miles (106 km) northwest of Detroit, it is a principal city within the region known as Mid Michigan. According to the 2010 census, Flint has a population of 102,434, making it the seventh largest city in Michigan. The Flint metropolitan area is located entirely within Genesee County. It is the fourth largest metropolitan area in Michigan with a population of 425,790 in 2010. The city was incorporated in 1855.Flint was founded as a village by fur trader Jacob Smith in 1819 and became a major lumbering area on the historic Saginaw Trail during the 19th century. From the late 19th century to the mid 20th century, the city was a leading manufacturer of carriages and later automobiles, earning it the nickname "Vehicle City". General Motors (GM) was founded in Flint in 1908, and the city grew into an automobile manufacturing powerhouse for GM's Buick and Chevrolet divisions after World War II. Flint was also the home of the Flint Sit-Down Strike of 1936–37 that played a vital role in the formation of the United Auto Workers.Since the late 1960s, Flint has faced several crises. The city sank into a deep economic depression after GM significantly downsized its workforce in the area from a 1978 high of 80,000 to under 8,000 by 2010. From 1960 to 2010, the population of the city nearly halved from 196,940 to 102,434. In the mid-2000s, Flint became known for its high crime rates and has repeatedly been ranked among the most dangerous cities in the United States. The city was under a state of financial emergency from 2002–2004 and again from 2011–2015. Since 2014, the city has faced a major public health emergency due to lead poisoning in the local water supply that has affected thousands of residents, as well as an outbreak of Legionnaires' disease due to tainted water at McLaren Regional Medical Center that has killed 10 people and affected 77 others.
Port Huron is a city in the U.S. state of Michigan and the county seat of St. Clair County. The population was 30,184 at the 2010 census. The city is adjacent to Port Huron Township but is administratively autonomous. Located along the St. Clair River, it is connected to Point Edward, Ontario in Canada via the Blue Water Bridge. The city lies at the southern end of Lake Huron and is the easternmost point on land in Michigan. Port Huron is home to two paper mills; Mueller Brass; and many businesses related to tourism and the automotive industry. The city features a historic downtown area, boardwalk, marina, museum, lighthouse, and the McMorran Place arena and entertainment complex.
Brighton is a suburb in metro Detroit located in the southeast portion of Livingston County in the U.S. state of Michigan. As of the 2010 census, the city population was 7,444. Brighton forms part of the South Lyon-Howell-Brighton Urban Area. It is one of two incorporated cities in Livingston County, and incorporates land that was once part of Brighton, Green Oak and Genoa townships.
The 810 area code lies within the Eastern Daylight Time Zone (or EDT). The current time in Eastern Daylight Time is 4:16 AM on Apr 21, 2023.