Area Code Lookup
What Area Code Is Creve Coeur?
2 area codes serve Creve Coeur · Missouri
Creve Coeur is served by area codes 314, 557. It is located in Missouri.
Area Codes Serving Creve Coeur
Frequently Asked Questions
What area code is Creve Coeur?
Creve Coeur is served by area codes 314, 557. It is located in Missouri.
Why does Creve Coeur 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). Creve Coeur now has 2 area codes — 314 and 557 — covering the same or overlapping areas.
How do I call Creve Coeur from outside the US?
To call Creve Coeur from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-314-XXX-XXXX). The +1 is the country code for all NANPA countries.