Enjoying? Buy me a coffeeBuilt by Andy Feliciotti
All Area Codes/Michigan
248

Farmington Hills, Michigan

Area code 248

Where Is Area Code 248?

Area code 248 is in southeastern Michigan. It serves much of Oakland County in the northern suburbs of Detroit, including Farmington Hills. This area is part of the Detroit metropolitan region.

Area code 248 covers cities and communities such as Farmington Hills, Troy, Southfield, Bloomfield Hills, Pontiac, Royal Oak, Novi, Birmingham, Rochester Hills, and West Bloomfield Township. Most of these places are in Oakland County. The code also reaches nearby communities tied to the same suburban phone network.

This area includes well-known parts of metro Detroit such as the city of Pontiac, the county seat of Oakland County, and the business districts of Southfield and Troy. Major roads in the region include Interstate 75, Interstate 696, and M-10. The area also includes suburban office centers, shopping districts, and parkland across Oakland County.

History of Area Code 248

Area code 248 began service on May 10, 1997. It was created in a split from area code 810 as phone demand grew in Oakland County and nearby suburbs. The split reflected fast growth in the Detroit suburbs during the 1990s.

Area code 248 later received an overlay. Area code 947 was added on January 8, 2002, to serve the same geographic area. Since that overlay, new numbers in the region may use either 248 or 947, and 10-digit dialing applies across the overlay area.

Key Facts About Area Code 248

  • Area code 248 is in the state of Michigan, and Farmington Hills is one of the major cities in the area.
  • Area code 248 primarily serves Oakland County in the Detroit metropolitan area.
  • Area code 248 is in the Eastern Time Zone.
  • Area code 248 was created on May 10, 1997, in a split from area code 810.
  • Area code 947 overlays area code 248 and began service on January 8, 2002.
  • Area code 248 covers major business and residential communities such as Southfield, Troy, Pontiac, Royal Oak, Novi, and Birmingham.
  • The service area includes Oakland University in Rochester Hills, a public university in Oakland County.
  • Oakland County, which makes up most of the 248 area, had a population of 1,274,395 in the 2020 United States Census.

Frequently Asked Questions

What state is area code 248 in?

Area code 248 is in Michigan.

What major cities use area code 248?

Major cities and communities that use area code 248 include Farmington Hills, Troy, Southfield, Pontiac, Royal Oak, Novi, Birmingham, Bloomfield Hills, Rochester Hills, and West Bloomfield Township.

Is area code 248 a toll-free number?

No. Area code 248 is a geographic area code for southeastern Michigan.

Last updated: April 2026

More area codes in Michigan

231 · Grant269 · Allegan313 · Dearborn517 · Charlotte586 · Sterling Heights616 · Grand Rapids679 · Detroit734 · Ann Arbor