| UN/LOCODE | Port Name | Region | Region Name | Port Type | State | Latitude & longitude | Map |
|---|---|---|---|---|---|---|---|
| GBABS | Aber Sôch (Abersoch) | GWN | Gwynedd | Port，Road Terminal | AA | 5249N 00430W | Map |
| GBADR | Aberdaron | GWN | Gwynedd | Port，Road Terminal | AA | 5248N 00443W | Map |
| GBABF | Aberdyfi (Aberdovey) | GWN | Gwynedd | Port，Rail Terminal，Road Terminal | AA | 5233N 00402W | Map |
| GBAGG | Abergwyngregyn | GWN | Gwynedd | Road Terminal | RL | 5323N 00401W | Map |
| GBATG | Arthog | GWN | Gwynedd | Road Terminal | RQ | 5242N 00401W | Map |
| GBBAA | Bala | GWN | Gwynedd | Road Terminal | RL | ||
| GBBNG | Bangor | GWN | Gwynedd | Port | AF | ||
| GBABW | Barmouth (Abermaw) | GWN | Gwynedd | Port，Rail Terminal，Road Terminal | AA | 5243N 00403W | Map |
| GBBMR | Beaumaris | GWN | Gwynedd | Port | AF | ||
| GBETH | Bethesda | GWN | Gwynedd | Road Terminal | RQ | 5310N 00405W | Map |
| GBEUF | Blaenau-Ffestiniog | GWN | Gwynedd | Road Terminal | RL | 5259N 00356W | Map |
| GBBD9 | Bodorgan | GWN | Gwynedd | Road Terminal | RL | 5310N 00424W | Map |
| GBBTU | Bontddu | GWN | Gwynedd | Road Terminal | RL | 5245N 00358W | Map |
| GBBOT | Borth-y-Gest | GWN | Gwynedd | Port，Road Terminal | AA | 5255N 00408W | Map |
| GBYBY | Bryncir | GWN | Gwynedd | Road Terminal | RQ | 5258N 00414W | Map |
| GBCNV | Caernarfon | GWN | Gwynedd | Port | AF | ||
| GBXCW | Chwilog | GWN | Gwynedd | Multimodal Functions (ICDs, etc.) | RQ | 5295N 00433W | Map |
| GBCCC | Criccieth | GWN | Gwynedd | Port | RL | 5255N 00414W | Map |
| GBDLG | Dolgellau | GWN | Gwynedd | Road Terminal | AF | ||
| GBFAB | Fairbourne | GWN | Gwynedd | Road Terminal | RQ | 5242N 00403W | Map |
| GBFFE | Ffestiniog | GWN | Gwynedd | Road Terminal | RL | 5257N 00356W | Map |
| GBGAW | Gaerwen | GWN | Gwynedd | Port | AF | ||
| GBGND | Gwynedd | GWN | Gwynedd | Road Terminal | RL | 5250N 00355W | Map |
| GBHAC | Harlech | GWN | Gwynedd | Road Terminal | RQ | 5252N 00406W | Map |
| GBHLY | Holyhead | GWN | Gwynedd | Port，Airport | AF | ||
| GBLAB | Llanaber | GWN | Gwynedd | Port，Road Terminal | RL | 5244N 00405W | Map |
| GBLAM | Llanarmon | GWN | Gwynedd | Road Terminal | AF | 5255N 00421W | Map |
| GBLNB | Llanbedr | GWN | Gwynedd | Road Terminal | RQ | 5249N 00406W | Map |
| GBLBI | Llanberis | GWN | Gwynedd | Road Terminal，Multimodal Functions (ICDs, etc.) | RQ | 5307N 00407W | Map |
| GBAAW | Llandanwg | GWN | Gwynedd | Road Terminal | RL | 5249N 00407W | Map |
| GBLDO | Llandudno | GWN | Gwynedd | Port，Rail Terminal，Road Terminal | AF | ||
| GBLAE | Llanenddwyn | GWN | Gwynedd | Road Terminal | RQ | 5247N 00406W | Map |
| GBLFP | Llanfairpwllgwyngyll | GWN | Gwynedd | Road Terminal | AF | ||
| GBLAF | Llanfrothen | GWN | Gwynedd | Road Terminal | RQ | 5257N 00403W | Map |
| GBLLE | Llangoed | GWN | Gwynedd | Road Terminal | RL | 5317N 00405W | Map |
| GBLWG | Llwyngwril | GWN | Gwynedd | Road Terminal | RQ | 5240N 00405W | Map |
| GBMEB | Menai Bridge | GWN | Gwynedd | Port | AF | ||
| GBMFN | Morfa Nefyn | GWN | Gwynedd | Port | RL | 5256N 00432W | Map |
| GBNEF | Nefyn | GWN | Gwynedd | Port，Road Terminal | AA | 5256N 00430W | Map |
| GBPMM | Penmaenmawr | GWN | Gwynedd | Port | AF | ||
| GBPDI | Port Dinorwic | GWN | Gwynedd | Port | AF | ||
| GBPPE | Port Penrhyn | GWN | Gwynedd | Port | AF | ||
| GBPTD | Porthmadog | GWN | Gwynedd | Port | RL | 5256N 00407W | Map |
| GBPMD | Portmadoc | GWN | Gwynedd | Port | AF | ||
| GBMRI | Portmeirion | GWN | Gwynedd | Road Terminal，Multimodal Functions (ICDs, etc.) | RL | 5255N 00406W | Map |
| GBPWL | Pwllheli | GWN | Gwynedd | Port，Rail Terminal，Road Terminal | AA | 5253N 00425W | Map |
| GBTAA | Talsarnau | GWN | Gwynedd | Road Terminal | RQ | 5254N 00404W | Map |
| GBTAN | Tal-y-llyn | GWN | Gwynedd | Road Terminal | RQ | 5240N 00354W | Map |
AA - Approved by competent national government agency
AC - Approved by Customs Authority
AF - Approved by national facilitation body
AI - Code adopted by international organisation (IATA, ECLAC, EUROSTAT, etc.)
AM - Approved by the UN/LOCODE Maintenance Agency
AQ - Entry approved, functions not verified
AS - Approved by national standardisation body
QQ - Original entry not verified since date indicated
RL - Recognised location - Existence and representation of location name confirmed by check against nominated gazetteer or other reference work
RN - Request from credible national sources for locations in their own country
RQ - Request under consideration
RR - Request rejected
UR - Entry included on user's request; not officially approved
XX - Entry that will be removed from the next issue of UN/LOCODE
You can use the search function above to enter city names to find the UN/LOCODE. Or you can search for the UN/LOCODE of corresponding United Kingdom cities by region.