what area code is 810

Area code 810 is located in Michigan and covers Flint, Port Huron, and Burton. It is the only area code that serves this area. The area code was assigned on December 31st, 1969, and went into service on December 1st, 1993. Prior to October 2021, area code 810 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021.