The area code 248 is located in Farmington Hills, Michigan.
Area code 248 serves Farmington Hills, Michigan, and most of Oakland County in the Metro Detroit region, connecting a wide mix of neighborhoods, business hubs, and cultural sites. Centered in the northwestern suburbs of Detroit, it covers many of the county’s largest and most well-known communities. This area code is significant for residents and businesses that rely on a strong regional network across one of Michigan’s most populous counties.
Major cities and communities in 248/947 include:
Established in 1997 as a split from 810, area code 248 gained the 947 overlay in 2002, which means 10-digit dialing is required for local calls. Both 248 and 947 serve the same footprint, so new phone numbers in the region may use either code. The area includes well-known landmarks and institutions such as the Cranbrook Educational Community (Bloomfield Hills), Oakland University (Rochester/Auburn Hills area), the Detroit Zoo (Royal Oak), and major shopping destinations in Troy and Novi.
Farmington Hills is one of the largest cities in Oakland County, and its 248 phone numbers are common across the county’s residential, corporate, and tech corridors. Neighboring area codes include 313 (Detroit), 586 (Macomb County), 734 (Ann Arbor and western Wayne County), and 810 (Flint and the Thumb), which helps callers place 248 within the broader Southeast Michigan dialing map. This mix of suburban living, higher education, and commerce makes 248 a key code for Metro Detroit connectivity.
“Oakland County’s population was about 1.27 million in 2020.” — U.S. Census Bureau (2020)