The following are known Action Replay Codes for Around the World in 80 Days on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

Master Code – Must Be On
1e0dfaa3
4de02681
837fd9f1
f0efc15c

Infinite Health
6aee7c1e
01f9bafb

Infinite Health Vials
ecab66aa
a3b8da00

Max Coins
85e56a03
48a7e909

Super Jump
468e32ad
f4f90513
b105ad75
9f9906a5

All Icons
6d18ab33
af6d5538
6e359619
b97a40af
1e3339d2
7654bc94
4d125009
9f0d67b3