Physical Address: Clarendon Companies 1776 Peachtree Street NW Suite 327, South Tower Atlanta, GA 30309 Click for directions... Mailing Address: Clarendon Companies P.O. Box 19878 Atlanta, GA 30325 Telephone: 404-347-2222 Toll-Free: 1-888-987-4901 Facsimile: 404-872-8863 Email: mail@clarendonUSA.com