Area Code Lookup
What Area Code Is Round Lake?
4 area codes serve Round Lake
Round Lake is served by area codes 224, 518, 838, 847. It spans Illinois and New York.
Area Codes Serving Round Lake
Frequently Asked Questions
What area code is Round Lake?
Round Lake is served by area codes 224, 518, 838, 847.
Why does Round Lake 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). Round Lake now has 4 area codes — 224 and 518 and 838 and 847 — covering the same or overlapping areas.
How do I call Round Lake from outside the US?
To call Round Lake from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-224-XXX-XXXX). The +1 is the country code for all NANPA countries.