CREATE EXTENSION mapcode;
SELECT mapcode_version();
 mapcode_version 
-----------------
 2.5.3
(1 row)

SELECT mapcode_encode(0.341637, 32.593781, 'UGA');
 mapcode_encode 
----------------
 UGA N7.FR
(1 row)

SELECT mapcode_decode('N7.FR', 'UGA');
   mapcode_decode   
--------------------
 0.341600,32.593770
(1 row)