| 21 | 21-Holyhead Summerhill - Holyhead Summerhill via Treseifion |
| 21A | 21A-Holyhead Summerhill - Holyhead Summerhill via Treseifion, Penrhos |
| 22 | 22-Holyhead - Holyhead via Llaingoch |
| 23 | 23-Holyhead - Holyhead via Rhoscolyn |
| 24 | 24-Holyhead - Holyhead via Penrhos, Morawelon |
| 24A | 24A-Holyhead - Holyhead via Morawelon |
| 25 | 25-Holyhead - Aberffraw |
| 301 | 301-Ysgol David Hughes - Llanfairpwll |
| 302 | 302-Ysgol David Hughes - Llanfairpwll |
| 31 | 31-Amlwch - Rhosgoch |
| 31 | 31-Amlwch - Amlwch |
| 32 | 32-Llangefni - Amlwch via Llanerchymedd |
| 36 | 36-Llangefni - Llangefni |
| 4 | 4-Llangefni - Holyhead |
| 42 | 42-Bangor - Llangefni |
| 42A | 42A-Bangor - Menai Bridge |
| 45 | 45-Llangefni - Rhosneigr |
| 48 | 48-Llangefni - Llangefni |
| 4A | 4A-Bangor - Llangefni |
| 4L | 4L-Bangor - Llangefni |
| 4X | 4X-Bangor - Holyhead |
| 50 | 50-Llangefni - Beaumaris |
| 52 | 52-Llanrhuddlad - Llangefni |
| 54 | 54-Llangefni - Llangefni via Niwbwrch, Llangaffo |
| 543 | 543-Bangor - Talwrn via Llangefni |
| 545 | 545-Bangor - Holyhead |
| 55 | 55-Llangefni - Llangefni via Pentraeth, Talwrn |
| 562 | 562-Amlwch - Llanfachraeth |
| 58 | 58-Bangor - Glan Yr Afon |
| 58L | 58L-Bangor - Glan Yr Afon |
| 58P | 58P-Bangor - Glan Yr Afon |
| 60 | 60-Amlwch - Carreglefn via Cemaes |
| 61 | 61-Amlwch - Holyhead via Cemaes |
| 62 | 62-Bangor - Cemaes Bay via Amlwch |
| 62C | 62C-Bangor - Cemaes Bay via Amlwch |
| 63 | 63-Bangor - Llanerchymedd |
| X43 | X43-Talwrn - Bangor via Llangefni |
