Area Code 248: Troy, Michigan
248 is a telephone area code serving Michigan, including Troy, Pontiac. It is part of the North American Numbering Plan and is dialed with the country code +1.
Numbers beginning with 248 are located in Michigan, United States (NANP region: Oakland County). The code covers Troy, Pontiac.
How to Dial Area Code 248
| Calling from | What to dial |
|---|---|
| Anywhere in the US or Canada | 1 248 XXX-XXXX (10-digit dialing: 248 + 7-digit number) |
| Local call inside the same area code | 7-digit number in most areas; 10 digits where an overlay code is active |
| From the UK or Europe | 00 1 248 XXX XXXX |
| From Australia | 0011 1 248 XXX XXXX |
| From a mobile phone anywhere | +1 248 XXX XXXX |
Whatever country you are calling from, the + symbol replaces the exit code. Save the contact as +1 248 XXXXXXX and it will dial correctly from any phone in the world.
Time Zone for Area Code 248
Calls to a 248 number ring in the America/Detroit time zone, standard offset UTC-05:00. Daylight saving time applies here, so the offset moves forward one hour from March to November.
Note: the four Upper Peninsula counties bordering Wisconsin use Central time, one hour behind.
Cities and Communities Served by 248
The following places fall inside the 248 calling area:
Other Area Codes in Michigan
These codes also serve Michigan. Area codes are assigned by the North American Numbering Plan Administration (NANPA).
| Area Code | Cities / Coverage |
|---|---|
| 231 | Muskegon, Traverse City |
| 269 | Kalamazoo, Battle Creek |
| 313 | Detroit |
| 517 | Lansing, Jackson |
| 586 | Warren, Sterling Heights |
| 616 | Grand Rapids |
| 734 | Ann Arbor |
| 810 | Flint |
| 906 | Upper Peninsula |
| 947 | Oakland County (overlay) |
| 989 | Saginaw, Midland |
See all 12 area codes in Michigan →
Frequently Asked Questions
Where is area code 248?
Area code 248 is in Michigan, United States. It covers Troy, Pontiac.
What time zone is area code 248 in?
Area code 248 rings in the America/Detroit time zone (UTC-05:00 standard).
Do I need to dial 1 before area code 248?
Yes, for a long-distance call inside the US and Canada you dial 1 first, then 248, then the seven-digit number. The 1 is the North American long-distance trunk prefix — it is not the country code. From outside North America you dial your exit code then 1 then 248.
Is area code 248 toll-free?
No. 248 is a standard geographic area code, so normal long-distance rates apply unless your plan includes them. Toll-free NANP codes are 800, 833, 844, 855, 866, 877 and 888.