The following are known Code Breaker Codes for Harry Potter and the Prisoner of Azkaban on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  0000ACBE 000A
  1003EEA4 0007
• Quick Level Up
  830026F0 03E7
• Infinite Sickles (Cash)
  83003180 270F
• Max Cards
  430031D8 0909
  00000019 0002
• Almost All Cards
  4300320A FFFF
  00000003 0002
  83003210 0BFF
• Full Folio Bruti
  43003190 0303
  0000001B 0002

Harry Codes

• Infinite SP
  83002510 03E7
• Infinite MP
  83002512 03E7
• Max SP
  830024F4 03E7
• Max MP
  830024F6 03E7
• All Spells Maxed
  330024FB 0007
  430024FC 0303
  00000005 0002

Hermione Codes

• Infinite SP
  8300253C 03E7
• Infinite MP
  8300253E 03E7
• Max SP
  83002558 03E7
• Max MP
  8300255A 03E7
• All Spells Maxed
  33002543 0007
  43002544 0303
  00000005 0002

Ron Codes

• Infinite SP
  83002584 03E7
• Infinite MP
  83002586 03E7
• Max SP
  830025A0 03E7
• Max MP
  830025A2 03E7
• All Spells Maxed
  3300258B 0007
  4300258C 0303
  00000005 0002