Contact Us Call STMA 800-323-3875 785-843-2549 or 785-542-9243 to speak directly with our Education Manager. Fax: 785-843-2977 Email: STMAinfo@STMA.org If you would like to contact a specific staff member, click here to view the STMA Headquarters page. STMA Physical Address: STMA 805 New Hampshire, Ste E Lawrence, KS 66044 Payment Mailing Address: STMA PO Box 1673 Lawrence, KS 66044