Area Code Lookup
What Area Code Is Clear Lake?
2 area codes serve Clear Lake
Clear Lake is served by area codes 431, 641. It spans Manitoba and Iowa.
Area Codes Serving Clear Lake
Frequently Asked Questions
What area code is Clear Lake?
Clear Lake is served by area codes 431, 641.
Why does Clear 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). Clear Lake now has 2 area codes — 431 and 641 — covering the same or overlapping areas.
How do I call Clear Lake from outside the US?
To call Clear Lake from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-431-XXX-XXXX). The +1 is the country code for all NANPA countries.