The real address of University of the People Ltd and University of the People Education Ltd is
30 HaMasger street
Tel Aviv Yafo, Israel
(source: United States IRS, Internal Revenue Service)
See also the address on Google maps and Street view down here:
However, the flat is closed to the public and the company does not disclose a real Israeli telephone number.
We saw in the homepage that the company uses an American PO box and claims it to be an American University; all mail is actually processed in Israel or, more often, by remote workers in Nigeria, India etc. Also, the US telephone number is actually a virtual number with throwaway voicemails; therefore, it is completely useless to contact them by phone.