Contact UsTo know more about us.Write us or leave us your comments.Contact Us Name * Last Name Email * Phone Message reCAPTCHA Submit If you are human, leave this field blank. 787 - 764 - 0000 ext. 855 pr.explorers@upr.edu University of Puerto Rico-Rio Piedras Campus, Ponce De León Ave. PO Box 21790. San Juan, PR 00931-1790 PR-SPRInT