Area Code 810: Location, Cities, and Usage - area-code -

Frequently Asked Questions

Area code 810 covers several key cities in Michigan's east-central region, including Flint, Port Huron, Lapeer, Burton, and Grand Blanc. These cities are known for their diverse populations, industrial history, and proximity to the Great Lakes.
For local calls within area code 810, 10-digit dialing is mandatory. This means you must dial both the area code (810) and the 7-digit phone number. This change was implemented in October 2021 following the establishment of 988 as the National Suicide Prevention Lifeline.
10-digit dialing became mandatory in 810 to accommodate 988 as the new National Suicide Prevention Lifeline, implemented in October 2021. This nationwide change prevents conflicts with existing 7-digit numbers that might have 988 as their prefix.
Area code 810 was created on December 1, 1993. It was split from area code 313 due to the increasing demand for phone numbers driven by factors like fax machines, cell phones, and multiple lines for homes and businesses.
Area code 810 fully encompasses Genesee and Lapeer counties. It also partially covers portions of Oakland, Macomb, St. Clair, Sanilac, and Livingston counties. Specifically in north Oakland County, 810 serves areas like Oxford, Addison Township, Brandon Township, Groveland Township, and Holly.
To make a toll call from the 810 area code, dial 1 + the 10-digit number you are trying to reach (1 + area code + 7-digit number). This standard format ensures your call is routed correctly to its long-distance destination.
Area code 810 is adjacent to area codes 248, 586, and 989. It's important for businesses operating across multiple areas to be aware of these neighboring codes and their dialing procedures to ensure seamless communication.
To make an operator-assisted call within area code 810, dial 0 followed by the 10-digit number (0 + area code + 7-digit number). This connects you to an operator for assistance with specialized call requests.
The Federal Communications Commission (FCC) oversees area code usage and allocation. At the state level, the Michigan Public Service Commission (MPSC) regulates telecommunications services, and the North American Numbering Plan Administrator (NANPA) manages area code assignments within the North American Numbering Plan.
Businesses in the 810 area code should plan ahead for number availability due to potential scarcity. They should also familiarize themselves with local telecommunications regulations and test their systems thoroughly for compatibility with adjacent area codes like 248, 586, and 989. Integrating with adjacent area code dialing procedures is crucial for businesses operating across multiple service areas to prevent routing issues.
Businesses should secure 810 numbers well in advance of their needs, especially if expansion or new service launches are anticipated. Availability can be limited in this area code, so proactive planning is crucial.
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