| Number | Service (From/To) | General Details | | 4 | Holyhead to Llangefni | Mon to Sat (?) |
| 4A | Bangor to Llangefni | Mon to Sat (?) |
| 4B | Holyhead to Llangefni | Evenings only, Mon to Sat (1 trip) |
| Via Holyhead (Rail Station)-Morawelon-Kingsland-Trearddur ..... more |
| | Holyhead to Llangefni | Mon to Sat (1 trip) |
| Via Holyhead (Rail Station)-Morawelon-Kingsland-Trearddur ..... more |
| | Llangefni to Holyhead | Sun (2 trips) |
| Via Llangefni (Gyfun School)-Rhostrehwfa-Bodffordd-Heneglwys ..... more |
| | Llangefni to Holyhead | Only this direction, Mon to Sat (2 trips) |
| Via Llangefni (Gyfun School)-Rhostrehwfa-Bodffordd-Heneglwys ..... more |
| 4H | Bangor to Llangefni | Only this direction, Mon to Sat (16 trips) |
| Via Bangor-Rail Station-Bangor (Morrisons)-Upper Bangor-Bangor (Friars School/Menai College) ..... more |
| | Bangor to Llangefni | Only this direction, Mon to Sat (14 trips) Sun (10 trips) |
| Via Bangor-Rail Station-Bangor (Morrisons)-Upper Bangor-Bangor (Friars School/Menai College) ..... more |
| | Llangefni to Bangor | Only this direction, Mon to Sat (14 trips) Sun (10 trips) |
| Via Rhostrehwfa-Pentre Berw-Gaerwen-Llanddaniel Fab-Llanfairpwllgwyngyll (Rail Station) ..... more |
| | Llangefni to Bangor | Only this direction, Mon to Sat (14 trips) |
| Via Rhostrehwfa-Pentre Berw-Gaerwen-Llanfairpwllgwyngyll (Rail Station) ..... more |
| 4R | Holyhead to Llangefni | Only this direction, Mon to Sat (6 trips) |
| Via Holyhead (Rail Station)-Morawelon-Kingsland-Trearddur ..... more |
| | Holyhead to Llangefni | Mon to Fri (1 trip) |
| Via Holyhead (Rail Station)-Morawelon-Kingsland-Trearddur ..... more |
| | Holyhead to Llangefni | Only this direction, Mon to Sat (1 trip) |
| Via Holyhead (Rail Station)-Holyhead (Tesco)-Morawelon-Kingsland ..... more |
| | Holyhead to Llangefni | Only this direction, Sun (1 trip) |
| Via Holyhead (Rail Station)-Morawelon-Kingsland-Trearddur ..... more |
| | Llangefni to Holyhead | Mon to Sat (6 trips, 1 back) Sun (3 trips, 2 back) |
| Via Llangefni (Gyfun School)-Rhostrehwfa-Heneglwys-Gwalchmai Uchaf ..... more |
| | Llangefni to Holyhead | Only this direction, Mon to Fri (1 trip) |
| Via Llangefni (Gyfun School)-Rhostrehwfa-Heneglwys-Mona Industrial Estate ..... more |
| 4X | Bangor to Holyhead | Details Unknown |
| 44 | Holyhead to Llangefni | Sun (?) |
| 53 | Bangor to Beaumaris | Mon to Sat (?) |
| 53L | Llangoed to Bangor | Details Unknown |
| 56 | Bangor to Beaumaris | Mon to Sat (?) |
| 57 | Glanrafon to Bangor | Evenings only, one way, Mon to Sat (1 trip) |
| Via Llangoed-Llanfaes-Beaumaris-Hen Bentref Llandegfan-Llandegfan ..... more |
| 57B | Bangor to Glanrafon | Details Unknown |
| 57L | Glanrafon to Bangor | Details Unknown |
| 58 | Bangor to Beaumaris | Only this direction, Sun (1 trip) |
| Via Bangor-West End-Glan Adda-Coed Mawr-Bangor-Gwynedd Hospital ..... more |
| | Bangor to Glanrafon | Only this direction, Mon to Sat (9 trips) Sun (3 trips) |
| Via Bangor-West End-Glan Adda-Coed Mawr-Bangor-Gwynedd Hospital ..... more |
| | Bangor to Glanrafon | Only this direction, Mon to Sat (4 trips) |
| Via Bangor-West End-Glan Adda-Coed Mawr-Bangor-Gwynedd Hospital ..... more |
| | Bangor to Glanrafon | Only this direction, Sun (1 trip) |
| Via Bangor-West End-Glan Adda-Coed Mawr-Bangor-Gwynedd Hospital ..... more |
| | Bangor to Llangoed | Only this direction, Mon to Fri (1 trip) Sun (1 trip) |
| Via Bangor-West End-Glan Adda-Coed Mawr-Bangor-Gwynedd Hospital ..... more |
| | Beaumaris to Bangor | Only this direction, Sun (1 trip) |
| Via Llanddona-Hen Bentref Llandegfan-Llandegfan-Menai Bridge ..... more |
| | Glanrafon to Bangor | Only this direction, Mon to Sat (6 trips) Sun (3 trips) |
| Via Llangoed-Llanfaes-Beaumaris-Hen Bentref Llandegfan-Llandegfan ..... more |
| | Glanrafon to Bangor | Only this direction, Mon to Sat (6 trips) |
| Via Llangoed-Llanfaes-Beaumaris-Llanddona (Maes Gwyn Estate) ..... more |
| | Glanrafon to Bangor | Only this direction, Sun (1 trip) |
| Via Llangoed-Llanfaes-Beaumaris-Llanddona-Hen Bentref Llandegfan ..... more |
| | Llangoed to Bangor | Only this direction, Sun (1 trip) |
| Via Llanfaes-Beaumaris-Hen Bentref Llandegfan-Llandegfan ..... more |
| | Llangoed to Bangor | Only this direction, Mon to Fri (1 trip) |
| Via Llanfaes-Beaumaris-Llanddona-Hen Bentref Llandegfan-Llandegfan ..... more |
| 58L | Glanrafon to Bangor | Details Unknown |
| 62 | Amlwch to Bangor | Only this direction, Mon to Sat (1 trip) |
| Via Amlwch Port-Amlwch-Pentrefelin-Cerrig Man-Penysarn-Gadfa ..... more |
| | Amlwch to Bangor | Only this direction, Mon to Fri (18 trips) Sat (every 45 mins) Sun (5 trips) |
| Via Amlwch Port-Amlwch-Pentrefelin-Cerrig Man-Penysarn-Gadfa ..... more |
| | Bangor to Amlwch | Only this direction, Mon to Fri (18 trips) Sat (every 45 mins) Sun (5 trips) |
| Via Bangor-Rail Station-Bangor (Morrisons)-Upper Bangor-Bangor ..... more |
| | Bangor to Amlwch | Evenings only, one way, Mon to Sat (1 trip) |
| Via Bangor-Rail Station-Bangor (Morrisons)-Bangor (Friars School/Menai College) ..... more |
| 62A | Bangor to Benllech | Details Unknown |
| 62B | Amlwch to Bangor | Details Unknown |
| 62C | Amlwch to Bangor | Details Unknown |
| 301 | Menai Bridge (David Hughes School) to Llanfairpwllgwyngyll | School service, one way and Afternoon only, (1 trip) |
| 302 | Menai Bridge to Llanfairpwllgwyngyll | School terms only, (1 trip) |
| 544 | Holyhead to Bangor (Friars School/Menai College) | School terms only, (1 trip) |
| 545 | Bangor (Friars School/Menai College) to Holyhead | Mon to Fri (?) |
| 562 | Llanfachraeth to Amlwch | School terms only, (1 trip) |
| X 4 | Holyhead to Bangor | Mon to Sat (?) |
| X43 | Talwrn to Bangor | Details Unknown |