Posted in Government & Military, Information Technology, Organizations DTSN stands for Digital Tandem Switching Network (AT&T) DTSN stands for Seaman, Dental Technician Striker (Naval Rating) DTSN stands for Devon Tourism Skills Network (UK) DTSN Share Pinterest Tweet Whatsapp Post navigation DTSMPDTSP Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.