| Code | Meaning |
|---|---|
| 102 | Searching |
| 103 | Book |
| 104 | Speaking |
| 105 | Message |
| 106 | Wrong |
| 107 | Internet |
| 108 | Letter |
| 109 | |
| 132 | Test |
| 154 | Urgert |
| 165 | Stop |
| 192 | |
| 200 | Success |
| 202 | Accepted |
| 203 | Doing |
| 235 | Urgert |
| 249 > 251 > 252 | Come |
| 310 | Urgert |
| 312 | New idea |
| 326 | Wrong information (Deliberately) |
| 337 | Need help |
| 352 | Normal |
| 362 | Nothing |
| 387 | Normal |
| 408 | Urgert |
| 416 | Send letter via bin |
| 505 | Toilet |
| 506 | Balcony |
| 507 | Out |
| 523* | Be quiet |
| 524 | Be careful |
| 608 | Water |
| 610 | Repeat |
| 612 | Nothing |
| 619* | Urgert |
| 709 | Library |
| 807 | Success |
| 902 | Lost |
| 912 | Repeat |
| 1219 | Need help |
*
: Public codes
Bold
: the earliest codes