There is no change to the above-mentioned address.
The details are as stated above.
Please check the content mentioned above.
As stated above, the meeting has been postponed.
上記 refers to something written above on the same page, whereas 前記 can point back to anything stated earlier in the document.
the following; mentioned below
Compound of 上 (じょう, 'above') and 記 (き, 'record' or 'note'), literally meaning 'recorded above'.