NPTN EDUCATIONAL AFFILIATES (As of March 7, 1993) - Access limited to K-12 schools in their states CORE California Online Resources for Education Machine located in Los Alamitos, CA Contact Person: Keith Vogt P.O. Box 3842 4665 Lampson Ave. Seal Beach, CA 90740 phone: 1-800-272-8743 e.mail: kvogt@eis.calstate.edu PEN Public Education Network Machine located in Richmond, VA Contact Person: Dr. Harold Cothern P.O. Box 6Q Richmond, VA 23216 phone: (804) 225-2921 e.mail: hcothern@vdoe386.vak12ed.edu SENDIT North Dakota's K-12 Educational Telecommunication Network Machine located in Fargo, ND Contact Person: Gleason Sackman Box 5164 North Dakota State Univ. Computer Ctr. Fargo, ND 58105 phone: 701-237-8109 e.mail: sackman@sendit.nodak.edu