If you’ve ever come across a phone number with area code 248, you might be wondering where it’s from. US Area code 248 serves Oakland County, Michigan, and some parts of Wayne County, making it a crucial part of the Detroit metropolitan area. This area code is widely used in cities such as Troy, Pontiac, Southfield, and Rochester Hills, among others.
In this article, we’ll explore the history, geography, dialing procedures, and significance of area code 248 in detail. If you’re a resident, business owner, or just someone curious about Michigan’s telephone numbering system, this guide is for you.
What is Area Code 248?
Area code 248 is a telephone area code in Michigan, part of the North American Numbering Plan (NANP). It primarily covers Oakland County, one of the most affluent counties in the United States, and also includes parts of Wayne County.
This area code was introduced in 1997 after splitting from area code 810 due to the increasing demand for phone numbers. A few years later, in 2000, area code 947 was introduced as an overlay to 248 to ensure a continuous supply of new numbers.
History of Area Code 248
The Evolution of Michigan’s Area Codes
Michigan has seen several area code splits and overlays due to increasing population and phone usage. Here’s how area code 248 came into existence:
- 1993: Area code 810 was created, covering parts of southeastern Michigan, including Oakland County.
- 1997: Due to increased demand for phone numbers, area code 248 was split from 810 to serve Oakland County.
- 2000: The 947 overlay was introduced but remained largely unused until 2002.
- 2002: The region switched to mandatory 10-digit dialing as part of the overlay plan.
The Impact of 10-Digit Dialing
Before the overlay was introduced, residents in the 248 area could dial just seven digits for local calls. However, after 2002, ten-digit dialing (including the area code) became necessary due to the 947 overlay.
Cities and Communities Served by Area Code 248
Area code 248 primarily serves Oakland County, one of Michigan’s most populated and economically significant regions. Some of the major cities and communities include:
Primary Cities Covered:
- Troy – A major business and shopping hub.
- Pontiac – The former home of the Detroit Lions’ Silverdome.
- Southfield – A thriving commercial and business district.
- Rochester Hills – Known for its strong school system and residential appeal.
- Farmington Hills – A well-developed suburban area.
- Novi – A growing commercial center.
Smaller Communities Served:
- West Bloomfield
- Auburn Hills
- Royal Oak
- Bloomfield Hills
- Northville (partially in Wayne County)
- Livonia (partially in Wayne County)
Since Oakland County is part of the Detroit metropolitan area, area code 248 is often associated with affluent suburbs and economic growth.
How to Dial a Number in Area Code 248
With the introduction of area code 947 as an overlay, ten-digit dialing became mandatory in 2002. Here’s how you can dial within and outside the 248 region:
- Local Calls (Within 248/947): Dial 10-digit number (e.g., 248-XXX-XXXX).
- Long-Distance Calls (Outside Michigan): Dial 1 + 248 + number.
- International Calls to 248: Dial +1-248-XXX-XXXX.
If you’re calling a landline or mobile phone in the 248 area, ensure you use the correct dialing format based on your location.
Businesses and Economy in Area Code 248
Oakland County is one of the wealthiest counties in the United States, making area code 248 a highly valuable business region. Here’s why it’s significant:
Key Industries in the 248 Region
- Automotive – Home to many auto suppliers and technology firms.
- Technology – A growing sector with several IT firms and startups.
- Healthcare – Major hospitals and healthcare providers.
- Finance and Real Estate – Oakland County is a hub for financial institutions and real estate firms.
Notable Companies in the 248 Area
- Nissan North America (Farmington Hills)
- Lear Corporation (Southfield)
- Flagstar Bank (Troy)
- BorgWarner (Auburn Hills)
The 248 area is economically strong, making it a prime location for businesses and professionals.
Fun Facts About Area Code 248
- Area code 248 is part of Metro Detroit, one of the largest metropolitan regions in the U.S.
- Many famous athletes, musicians, and business executives reside in Oakland County.
- The Detroit Pistons’ practice facility is located in Auburn Hills, within the 248 area.
- Some of Michigan’s best-ranked schools and universities are in the 248 region.
Conclusion
Area code 248 is an essential part of Michigan’s telecommunications network, covering Oakland County and parts of Wayne County. With a rich history, strong economy, and major cities like Troy, Pontiac, and Southfield, this area code plays a significant role in Metro Detroit.
If you have a 248 phone number, it likely means you’re part of a vibrant and growing community. Whether you’re moving to Michigan, starting a business, or just curious about area codes, we hope this guide has provided the information you need.
Frequently Asked Questions (FAQs)
What time zone is Area Code 248 in?
248 is in the Eastern Time Zone (EST/EDT), the same as Detroit and New York City.
Can I still get a 248 phone number?
Yes, but since the area code is heavily populated, new numbers are often assigned under the 947 overlay.
Do I need to dial the area code for local calls?
Yes, since 2002, ten-digit dialing (area code + phone number) has been required.
Is 248 a toll-free area code?
No, 248 is a geographic area code assigned to specific locations in Michigan.
What’s the difference between 248 and 947?
947 is an overlay of 248, meaning it covers the same geographical area but provides additional phone numbers.
