Mail: P.O. Box 75307 Ft. Thomas, KY 41075 Online Support: Contact us through our web-based help form, the quickest way to get answers to your questions. Click here to access the help form. Phone/Fax: Greater Cincinnati Area: 859-572-0060 Nationally: 800-514-9686 fax 859-781-5638 Office hours are Monday-Thursday 9am-4:30pm, and Friday 9am-12pm. Email Email your guest list to service@rsvpservices.com. Please use the help form above to reach us with comments or questions.