The CUCBC defines the alphanumeric registration codes as being comprised of two or three letters, identifying the club to which the boat belongs, followed by a number such as to form a unique sequence for each boat. The following is a list of the letter codes to be used by each boat club.
| Code |
Club |
| AD |
Addenbrooke's |
| CCA |
Anglia Ruskin |
| CAI |
Caius |
| CCO |
Christ's |
| CLA |
Clare |
| CLH |
Clare Hall |
| COR |
Corpus Christi |
| CHU |
Churchill |
| DAW |
Darwin |
| DOW |
Downing |
| ED |
St. Edmund's |
| EMM |
Emmanuel |
| FIT |
Fitzwilliam |
| GIR |
Girton |
| HOM |
Homerton |
| HU |
Hughes Hall |
| JEC |
Jesus |
| KCB |
King's |
| LC |
Lucy Cavendish |
| LMB |
Lady Margaret |
| MGD |
Magdalene |
| NEH |
New Hall |
| NNM |
Newnham |
| PEM |
Pembroke |
| PBC |
Peterhouse |
| QCC |
Queens' |
| ROC |
Robinson |
| SCC |
St. Catharine's |
| SEL |
Selwyn |
| SID |
Sidney Sussex |
| TC |
Theological Colleges |
| TRH |
Trinity Hall |
| FTT |
First & Third Trinity |
| VS |
Vet School |
| WOC |
Wolfson |
| CUB |
CUBC |
| CUW |
CUWBC |
| CUL |
CULRC |
