WALTHAM, Mass.--(BUSINESS WIRE)--Constant Contact®, Inc. (Nasdaq: CTCT), which helps more than 600,000 small organizations create and grow customer relationships through a suite of online marketing tools, today announced that it will release its first quarter 2015 financial results for the period ended March 31, 2015 after market close on Thursday, April 30, 2015. On that day, management will hold a conference call and webcast at 5:00 p.m. ET to review and discuss the Company’s results for the