Area Code 314
Local Presence for Saint Louis, Ladue, Kirkwood, Creve Coeur, Overland, and Ferguson
You can increase your connection rate up to 30% by dialing from a local number.
Local Presence by Tenfold gives you one-click access from your existing phone system to a local number in the US area code 314 and more than 200 others.
Reach out to customers in Saint Louis, Ladue, Kirkwood, Creve Coeur, Overland, and Ferguson.
Source: Wikipedia