Area codes 248 and 947 are

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...

s in the

North American Numbering Plan The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1, World Numbering Zone ...

(NANP) for Oakland County in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Michigan Michigan ( ) is a peninsular U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, Upper Midwestern United States. It shares water and land boundaries with Minnesota to the northwest, Wisconsin to the west, ...

. The area codes also serve portions of

Livonia Livonia, known in earlier records as Livland, is a historical region on the eastern shores of the Baltic Sea. It is named after the Livonians, who lived on the shores of present-day Latvia. By the end of the 13th century, the name was extende ...

and Northville, both located in Wayne County. The rest of Wayne County, including

Detroit Detroit ( , ) is the List of municipalities in Michigan, most populous city in the U.S. state of Michigan. It is situated on the bank of the Detroit River across from Windsor, Ontario. It had a population of 639,111 at the 2020 United State ...

, located to the southeast, is serviced by area codes 313 and 734. Area code 248 was created in 1997 as a split from area code 810. In 2000, area code 947 was assigned as a relief area code for the area. In 2001, it was approved as an all-services

overlay plan In telecommunications, an area code overlay complex is a telephone numbering plan that assigns multiple area codes to the same geographic numbering plan area (NPA). Area code overlays are implemented in territories of the North American Numbe ...

in the 248 numbering plan area,NANPA Planning Letter PL-283
2001-06-07 requiring

ten-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when Dialling (telephony), dialing to initiate a t ...

after end of the permissive dialing period, which started on January 26, 2002. Major communities serviced include: * Addison Township (shared with 586 and 810) * Auburn Hills * Berkley *

Birmingham Birmingham ( ) is a City status in the United Kingdom, city and metropolitan borough in the metropolitan county of West Midlands (county), West Midlands, within the wider West Midlands (region), West Midlands region, in England. It is the Lis ...

Bloomfield Hills Bloomfield Hills is a city in Oakland County in the U.S. state of Michigan. A northern suburb of Detroit on the Woodward Corridor, Bloomfield Hills is located roughly northwest of downtown Detroit, and is surrounded on most sides by Bloomfi ...

* Bloomfield Township *

Brighton Brighton ( ) is a seaside resort in the city status in the United Kingdom, city of Brighton and Hove, East Sussex, England, south of London. Archaeological evidence of settlement in the area dates back to the Bronze Age Britain, Bronze Age, R ...

* Clarkston * Clawson * Commerce Township *

Farmington Hills, Michigan Farmington Hills is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. A northwestern Metro Detroit, suburb of Detroit, Farmington Hills is located roughly from downtown Detroit. As of the 2020 United States censu ...

Ferndale, Michigan Ferndale is a city in Oakland County in the U.S. state of Michigan. An inner-ring suburb of Detroit on the Woodward Corridor, Ferndale borders Detroit to the north, roughly northwest of downtown Detroit. As of the 2020 census, the city had a ...

* Hazel Park, Michigan *

Holly, Michigan Holly is a village in north Oakland County in the U.S. state of Michigan. The population was 5,997 at the 2020 census. The village is located within Holly Township. It is about south of Flint and northwest of Detroit. Geography According to ...

(part by 810) *

Huntington Woods, Michigan Huntington Woods is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. An inner-ring Metro Detroit, suburb of Detroit on the Woodward Corridor, Huntington Woods is located roughly northwest of downtown Detroit. As ...

* Lake Orion, Michigan area * Leonard, Michigan (part by 810) *

Livonia, Michigan Livonia ( ) is a city in Wayne County in the U.S. state of Michigan. A western suburb of Detroit, Livonia is located roughly northwest of downtown Detroit. As of the 2020 census, the city had a population of 95,535. Originally organized as ...

(most by 734, with a very small part by 248) * Madison Heights, Michigan * Milford, Michigan * Northville, Michigan (part) *

Novi, Michigan Novi ( ) is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. A northwestern Metro Detroit, suburb of Detroit, Novi is located roughly northwest of downtown Detroit. As of the 2020 United States census, 2020 census ...

* Oakland Township, Michigan *

Oak Park, Michigan Oak Park is a city in Oakland County in the U.S. state of Michigan. An inner-ring suburb of Detroit, Oak Park borders Detroit to the north, roughly northwest of downtown Detroit. As of the 2020 census, the city had a population of 29,560. Hi ...

Ortonville, Michigan Ortonville is a village in north Oakland County in the U.S. state of Michigan. The village is within Brandon Township, although some development near the village lies within adjacent Oakland County, Groveland township and Lapeer County, Hadle ...

(part by 810) * Oxford, Michigan (part by 810) *

Pontiac, Michigan Pontiac ( ') is a city in and the county seat of Oakland County, Michigan, Oakland County in the U.S. state of Michigan. Located roughly northwest of downtown Detroit, Pontiac is part of the Metro Detroit, Detroit metropolitan area, and is vari ...

Rochester, Michigan Rochester is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. The population was 12,711 at the 2010 United States Census, 2010 census. It is a northern suburb in Metro Detroit located 20 miles north of the city of ...

Rochester Hills, Michigan Rochester Hills is a city in Oakland County, Michigan, United States. A northern suburb of Metro Detroit, Detroit, Rochester Hills is located about north of downtown Detroit. As of the 2020 United States census, 2020 census, the city had a popul ...

Royal Oak, Michigan Royal Oak is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. An inner-ring suburb of Metro Detroit, Detroit, Royal Oak is located roughly north of downtown Detroit. As of the 2020 United States census, 2020 cens ...

Shelby Charter Township, Michigan Shelby Charter Township, officially the Charter Township of Shelby, is a charter township located in Macomb County, Michigan, Macomb County in the U.S. state of Michigan. The township is an affluent northern suburb of Detroit. As of the 2020 U ...

(most by 586, with a very small part by 248) *

Southfield, Michigan Southfield is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. An inner-ring suburb of Detroit, Southfield borders Detroit to the north, roughly northwest of downtown Downtown Detroit, Detroit. As of the 2020 Uni ...

* South Lyon, Michigan *

Troy, Michigan Troy is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. A northern suburb of Metro Detroit, Detroit, Troy is located about north of downtown Detroit. As of the 2020 census, the city had a population of 87,294, ...

* Walled Lake, Michigan *

Waterford Township, Michigan Waterford Township (commonly known simply as Waterford) is a charter township in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. A northern suburb of Metro Detroit, Detroit, Waterford is located roughly northwest of downt ...

area *

West Bloomfield Township, Michigan West Bloomfield Township is a charter township in Oakland County in the U.S. state of Michigan. A northwestern suburb of Detroit, West Bloomfield is located roughly from downtown Detroit. As of the 2020 census, the township had a population o ...

* White Lake Township, Michigan area * Wixom, Michigan

References

External links

Map of Michigan area codes
at

North American Numbering Plan Administration The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1, World Numbering Zone ...

's website
List of exchanges from AreaCodeDownload.com, 248 Area Code

Telecommunications-related introductions in 1997 Telecommunications-related introductions in 2002 248 248 1997 establishments in Michigan 2002 establishments in Michigan {{Michigan-geo-stub