248 Area Code
Oakland County (suburban Detroit), Michigan
Area code 248 is located in Oakland County (suburban Detroit), Michigan. It covers Troy, Pontiac, and surrounding areas in the Eastern time zone (UTC-5). Administered by NANPA.
Where is area code 248?
Area code 248 is located in Oakland County (suburban Detroit), Michigan. It covers Troy, Pontiac, and surrounding areas in the Eastern time zone (UTC-5).
Area code 248 is overlaid by area code 947. Both codes serve the same geographic region and require 10-digit dialing for local calls.
Cities Covered by Area Code 248
Area code 248 primarily serves the Oakland County (suburban Detroit) area of Michigan. The exact coverage includes Troy, Pontiac, and Southfield, along with surrounding communities and suburbs.
Time Zone
Eastern Time — UTC-5
Area code 248 operates in the Eastern Time Zone. When calling 248 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 248
Area code 248 was introduced in 1997 as a geographic area code serving Oakland County (suburban Detroit), Michigan. As demand for phone numbers grew, overlay code 947 was added to the same region, requiring 10-digit dialing for local calls. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.