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Creve Coeur, MO is served by area code 314. Area code 314 is one of two original area codes assigned to Missouri,
including Creve Coeur, MO and put into service on January 1, 1947. In addition to Creve Coeur, MO area code 314 serves the larger communities of Affton, Ferguson, Florissant, Hazelwood, Kirkwood, Maryland
Heights, Mehville, Oakville, Spanish Lake, St. Louis, University City and Webster Grove, as well as, many suburbs near St. Louis. Although area code 557 has been proposed as an area code overlay of area code
314 which would include Creve Coeur, MO, that plan has not been implemented and is considered suspended. At this time Creve Coeur, MO does not utilize any area code overlays. |
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