Area Code Lookup
What Area Code Is Oakdale?
2 area codes serve Oakdale · California
Oakdale is served by area codes 209, 350. It is located in California.
Area Codes Serving Oakdale
Frequently Asked Questions
What area code is Oakdale?
Oakdale is served by area codes 209, 350. It is located in California.
Why does Oakdale 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). Oakdale now has 2 area codes — 209 and 350 — covering the same or overlapping areas.
How do I call Oakdale from outside the US?
To call Oakdale from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-209-XXX-XXXX). The +1 is the country code for all NANPA countries.