Oracle RETURNING Clause - get identity of inserted row

PROCEDURE Ins
(pContactID     OUT Contacts.ContactID%TYPE,
 pFirstname     IN Contacts.Firstname%TYPE,
 pSurname       IN Contacts.Surname%TYPE)
IS
BEGIN
 INSERT INTO Contacts
 (fname, sname)
 VALUES
 (pFirstname, pSurname)
 RETURNING ContactID INTO pContactID;
END;