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area code

Biggest city:





Eastern (GMT -5)

Nearby area codes: 

Zip codes



Major Cities:

Detroit, Livonia, Northville, Troy, Farmington Hills, Southfield, Pontiac, Royal Oak, Novi, Madison Heights, Birmingham, Ferndale, Hazel Park, Berkley, Wixom, Rochester, Clawson​


Average Income:





Unemployment Rate:

The 248 area code, part of the North American Numbering Plan (NANP), presents several key facts of interest: Geographical Coverage: Area code 248 primarily serves Oakland County in the U.S. state of Michigan. Its coverage extends across 994.47 square miles, encompassing 91 non-unique postal area zip codes. Beyond Oakland County, it also serves parts of Livonia and Northville, located in Wayne County. Detroit is the largest city within its service area. Additionally, area code 248 overlaps with area code 947, which serves the same geographical region​​​​. History and Implementation: The implementation of area code 248 dates back to the late 20th century. It was assigned on November 8, 1996, and officially put into service on May 10, 1997. Classified as a General Purpose Code, it was introduced to address the increasing demand for telephone numbers and to ensure a steady supply of numbers in the region it serves​​. Origins and Significance: The introduction of area code 248 reflects the evolution of telecommunication infrastructure and the need for more telephone numbers due to population growth and technological advancements. Its overlay with area code 947, which serves the same area, is indicative of the continued expansion and complexity of the region's telecommunication needs. The area code, along with its overlay, serves a significant population of over 3.4 million people, highlighting its importance in the telecommunication network of Michigan​​​​. These facts about area code 248 provide insight into its geographical significance, historical context, and the role it plays in the telecommunications landscape of Michigan.
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