There is no main method (or a similar entry point) in WCF. You need to host your WCF service in another process (for example, a Windows or IIS service or your own host) in order to “activate” it and make it available to other processes.
WCF , , . , , , . , , , - . , , WCF .
Google " WCF", .
(, , ), , WCF, Windows.