ECC - A 21st Century Church with a 1st Century message in Charlotte Hall, MD. Official Encounter Christian Church (ECC) application. With this app you can watch or listen to past messages or download messages for offline listening. WiFi Internet is required for use of the ECCApp. For more information about Encounter Christian Center, please visit: ECCMD.net The Encounter Christian Center App was created with The Church App by Subsplash.