Area code 248 — Troy, Michigan

Where is area code 248?

Area code 248 is in Troy, Michigan, covering Troy and surrounding communities in Michigan. All 248 numbers are on Eastern Time.

Is area code 248 a scam?

No. Area code 248 is a legitimate area code serving Troy since 1993. Scammers spoof caller ID to display 248 numbers, which is why complaints exist against a code that is itself genuine.

Neighbour spoofing is the reason a local-looking number is not a guarantee. A caller anywhere in the world can display a 248 number, and the number they display may belong to a real business in Troy that has nothing to do with the call.

• ·Area code 248 had 376 different numbers reported for spam calls in the 30 days to 28 July 2026.
• ·Area code 248 ranks 187th of 331 US geographic area codes by spam complaint volume.
• ·Of the 403 complaints about area code 248 in the 30 days to 28 July 2026, 49% were reported as a recorded message or robocall.
• ·The most reported subject on area code 248 is calls pretending to be government, businesses, or family and friends, appearing in 11% of its complaints in the 30 days to 28 July 2026.

What these calls were about

Each figure is that subject’s share of every 248 complaint in the 30 days to 28 July 2026, as categorised by the consumer who reported it.

Businesses can prevent their own numbers from being mistaken for calls like these.

Why am I getting text messages from area code 248?

Texts from 248 numbers follow the same pattern as calls — mostly local businesses and services. Treat any text asking for payment or credentials as suspect regardless of the code.

The common patterns are a wrong-number opener that turns into conversation, an unsolicited job offer, and a crypto or investment tip. Do not reply, do not follow the link, and forward the message to 7726 (SPAM) to report it to your carrier.

Area codes that overlay 248

Area code 248 shares its geographic footprint with one other code: 947. Overlays are laid over an existing area rather than splitting it, so all local calls require the full ten-digit number.

Who works in the Troy area?

Troy is the business center of Oakland County, the affluent suburban county directly north of Detroit, and area code 248 has been its number since the code split off in 1993. The corridor along Big Beaver Road holds one of the largest concentrations of office space in Michigan, filled with automotive suppliers, engineering firms, banks, and corporate law offices. Automation Alley, the region's manufacturing and technology association, is headquartered in Troy, and the Somerset Collection mall anchors a retail economy that draws from the whole metro. This is where much of the auto industry's white-collar work gets done, even though no assembly plants run here.

Who lives in the 248 region

The city of 87,294 (2020 census) is small but unusually prosperous and international. Median household income was $120,045 in 2024, and 30.8 percent of residents were born outside the United States (Census ACS via Data USA). The Asian population, at roughly 24,400 people, is the city's second largest group, with deep Indian, Chinese, and Korean professional communities tied to automotive engineering. Statewide, Iraq ranks among the top origins for foreign-born residents, reflecting metro Detroit's large Chaldean community, much of it in Oakland County.

What a 248 number signals to a caller

A 248 number reads as suburban Detroit business, distinct from the city's 313. Callers describe conduct in Troy, Michigan as corporate and calendar-driven: meetings booked in advance, calls returned within the business day, and supplier relationships managed with the formality the auto industry demands.

Questions