Area Code Lookup
What Area Code Is Royal Oak?
2 area codes serve Royal Oak · Michigan
Royal Oak is served by area codes 248, 947. It is located in Michigan.
Area Codes Serving Royal Oak
Frequently Asked Questions
What area code is Royal Oak?
Royal Oak is served by area codes 248, 947. It is located in Michigan.
Why does Royal Oak have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Royal Oak now has 2 area codes — 248 and 947 — covering the same or overlapping areas.
How do I call Royal Oak from outside the US?
To call Royal Oak from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-248-XXX-XXXX). The +1 is the country code for all NANPA countries.