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 a 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 and has the international callin ...

(NANP) for

Oakland County Oakland County is a County (United States), county in the U.S. state of Michigan. It is part of the Metro Detroit, metropolitan Detroit area, located northwest of the city. As of the 2020 United States Census, 2020 Census, its population was 1, ...

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 sover ...

Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and the ...

. The area codes also serve portions of

Livonia Livonia ( liv, Līvõmō, et, Liivimaa, fi, Liivinmaa, German and Scandinavian languages: ', archaic German: ''Liefland'', nl, Lijfland, Latvian and lt, Livonija, pl, Inflanty, archaic English: ''Livland'', ''Liwlandia''; russian: Ли ...

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

Detroit Detroit ( , ; , ) is the largest city in the U.S. state of Michigan. It is also the largest U.S. city on the United States–Canada border, and the seat of government of Wayne County. The City of Detroit had a population of 639,111 at th ...

, 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 Area is the quantity that expresses the extent of a Region (mathematics), region on the plane (geometry), plane or on a curved surface (mathematics), surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar ...

. 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 Overlay may refer to: Computers *Overlay network, a computer network which is built on top of another network *Hardware overlay, one type of video overlay that uses memory dedicated to the application *Another term for exec, replacing one process ...

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 that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telep ...

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 Auburn Hills is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. The population was 21,412 at the 2010 United States Census, 2010 census. Before incorporating as a city in 1983, the area was part of the now-defunct ...

* Berkley *

Birmingham Birmingham ( ) is a city and metropolitan borough in the metropolitan county of West Midlands in England. It is the second-largest city in the United Kingdom with a population of 1.145 million in the city proper, 2.92 million in the West ...

Bloomfield Hills Bloomfield Hills is a small city (5.04 sq. miles) in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. It is a northern suburb of Metro Detroit and is approximately northwest of Downtown Detroit. Except a small southern bo ...

* Bloomfield Township *

Brighton Brighton () is a seaside resort and one of the two main areas of the City of Brighton and Hove in the county of East Sussex, England. It is located south of London. Archaeological evidence of settlement in the area dates back to the Bronze A ...

* Clarkston * Clawson * Commerce Township *

Farmington Hills, Michigan Farmington Hills is a city in Oakland County in the U.S. state of Michigan. Part of the affluent suburbs northwest of Detroit, Farmington Hills is the second most-populated city in Oakland County, after Troy, with a population of 83,986 at the 20 ...

Ferndale, Michigan Ferndale is a city in Oakland County in the U.S. state of Michigan. It forms part of the Detroit metropolitan area. As of the 2020 census, the city population was 19,190. Ferndale is well known in the Detroit area for its LGBT population and progr ...

Hazel Park, Michigan Hazel Park is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. As a part of Metro Detroit, the city shares its southern border with the city of Detroit. As of the 2010 United States Census, 2010 census, the popula ...

Holly, Michigan Holly is a village in north Oakland County Oakland County is a county in the U.S. state of Michigan. It is part of the metropolitan Detroit area, located northwest of the city. As of the 2020 Census, its population was 1,274,395, making it th ...

(part by 810) *

Huntington Woods, Michigan Huntington Woods is a city in Oakland County, Michigan in the U.S. state of Michigan. It is a northern suburb of Metro Detroit. The population was 6,238 at the 2010 census. Huntington Woods is situated along the Woodward Corridor ( M-1) and ...

Lake Orion, Michigan Lake Orion ( ) is a village in the northern outskirts of Metro Detroit in Oakland County, Michigan, United States. The population was 2,973 at the 2010 census. "Lake Orion" can refer to either the village or the much larger Orion Township, of wh ...

area *

Leonard, Michigan Leonard is a village in Addison Township, Michigan, Addison Township, Oakland County, Michigan, Oakland County in the U.S. state of Michigan. The population was 403 at the 2010 United States Census, 2010 census. History A post office called Leona ...

(part by 810) *

Livonia, Michigan Livonia is a city in Wayne County, Michigan, Wayne County in the U.S. state of Michigan. The population was 95,535 at the 2020 United States census, 2020 census, which ranked it as Michigan's ninth most-populated municipality. Livonia is a part ...

(most by 734, with a very small part by 248) *

Madison Heights, Michigan Madison Heights is a city in Oakland County in the U.S. state of Michigan. As of the 2010 census, its population was 29,694. It is a northern suburb of Metro Detroit, about north of the Detroit city limits. History Originally part of Royal Oa ...

Milford, Michigan Milford is a village in Oakland County in the U.S. state of Michigan. The population was 6,175 at the time of the 2010 census. The village is located within Milford Township. The village is known for being the home of the Milford General Motors ...

Northville, Michigan Northville is a city in Oakland and Wayne counties in the U.S. state of Michigan. The population was 6,119 at the 2020 census. Northville is a suburb of Metro Detroit and is located about west of the city of Detroit and northeast of Ann Arbo ...

(part) *

Novi, Michigan Novi ( ) is a city in Oakland County in the U.S. state of Michigan. As of the 2020 census, the population was 66,243, an increase of 20% from the 2010 census. A northern suburb of Metro Detroit, Novi is located about northwest of the city of D ...

Oakland Township, Michigan The Charter Township of Oakland is a charter township on the north Oakland County outskirts of Metro Detroit, in the U.S. state of Michigan. It is colloquially referred to as "Oakland Township". The population was 16,779 at the 2010 census. Oa ...

Oak Park, Michigan Oak Park is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. As of the 2020 United States Census, 2020 census, the population of Oak Park was 29,560. As a northern suburb of Metro Detroit, Oak Park shares its sout ...

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, Hadley t ...

(part by 810) *

Oxford, Michigan Oxford is a village in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. The population was 3,436 at the 2010 United States census, 2010 census. The village is located within Oxford Charter Township, Michigan, Oxford Towns ...

(part by 810) *

Pontiac, Michigan Pontiac ( ') is a city in and the county seat of Oakland County in the U.S. state of Michigan. As of the 2020 census, the city had a total population of 61,606. A northern suburb of Metro Detroit, Pontiac is about northwest of Detroit. Founde ...

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

Rochester Hills, Michigan Rochester Hills is a city in Oakland County in the U.S. state of Michigan. As of the 2020 census, the city had a total population of 76,300. It is the 14th-largest city in Michigan. The area was first occupied by settlers of European descent in 1 ...

Royal Oak, Michigan Royal Oak is a city in Oakland County in the U.S. state of Michigan. An inner-ring suburb of Detroit, Royal Oak is about north of Detroit's city limits. As of the 2010 census, the city had a population of 57,236. Royal Oak is located along th ...

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, an affluent northern suburb of Detroit, is located roughly ...

(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. As of the 2010 United States Census, 2010 census, the city had a population of 76,618. As a northern suburb of Detroit, Southfield shares part of its ...

South Lyon, Michigan South Lyon is a city in Oakland County in the U.S. state of Michigan. The population was 11,746 at the 2020 census, up from 11,327 at the 2010 census. As a western suburb of Metro Detroit, South Lyon is about northwest of the city of Detroit an ...

Troy, Michigan Troy is a city in Oakland County, Michigan, United States. Its population was 87,294 at the 2020 U.S. census, making Troy the most populous city in the county and the 13th most-populous municipality in the state. Troy is a northern suburb of Me ...

Walled Lake, Michigan Walled Lake is a city in Oakland County in the U.S. state of Michigan. The population was 6,999 at the 2010 census. The city is bordered by Commerce Township on the north and the city of Novi on the south. As a western suburb of Metro Detroit, ...

Waterford Township, Michigan Waterford Township is a charter township in the geographic center of Oakland County, Michigan, United States. In 2020, the population of Waterford Township was 70,565. Communities Waterford Township has five unincorporated communities: * Clint ...

area *

West Bloomfield Township, Michigan West Bloomfield Township, officially the Charter Township of West Bloomfield, is a charter township in Oakland County in the U.S. state of Michigan, within the Detroit metropolitan area. It is one of the most expensive places to live in Oakland ...

White Lake Township, Michigan White Lake Charter Township is a charter township of Oakland County in the U.S. state of Michigan. Together with its two unincorporated communities, the township makes up part of the Detroit metropolitan area outskirts. As of the 2010 census, the ...

area *

Wixom, Michigan Wixom is a city in Oakland County, Michigan, Oakland County in the U.S. state of Michigan. The population was 13,498 at the 2010 United States Census, 2010 census. As a western suburb of Metro Detroit, Wixom is about northwest of the city of Det ...

References

External links

Map of Michigan area codes
at

North American Numbering Plan Administration The North American Numbering Plan (NANP) is a 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 and has the international calling ...

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

Telecommunications-related introductions in 1997 Telecommunications-related introductions in 2002

248 __NOTOC__ Year 248 ( CCXLVIII) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Philippus and Severus (or, less frequently, year 1001 '' ...

1997 establishments in Michigan 2002 establishments in Michigan {{Michigan-geo-stub