| Postcode | LL55 1AL | 
|---|---|
| Post Town | Caernarfon | 
| Nearest station | Llanfairpwll (10 km) | 
| Bus stops | Bus Station () Asda C (NE) Asda B (NE) Asda (NE) Victoria Dock (NW) Eagle Hotel (N) | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.140943 | |
|---|---|---|
| Longitude | -4.274595 | |
| Easting | 247953 | |
| Northing | 362839 | |
| Grid reference | SH479628 | |
| UTM reference | 30U 414742 5888708 | |
| what3words | hood.paths.kind | |
| FixPhrase | crouch lumpiness slacking voter | |
| Plus code | 9C5Q4PRG+95 | |
| Altitude | 12 metres (40 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 0.7 KMs (0.5 miles) | 
| Parish | Caernarfon | W04000056 | 
|---|---|---|
| Ward | Canol Tref Caernarfon | W05001519 | 
| Unitary Authority | Gwynedd | W06000002 | 
| County | Gwynedd | W11000004 | 
| Constituency (2024) | Dwyfor Meirionnydd | W07000096 | 
| MP | Liz Saville Roberts | Plaid Cymru | 
| Police force | North Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Gwynedd | |
| NUTS/ITL 2 | North Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | January 1980 | 
|---|---|
| Date usage ended | October 2016 | 
| Last updated | September 2025 | 
| User type | Large (addresses receive more than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
|---|---|---|
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Further from a major town or city | |
| Rural/urban (2011) | Rural town and fringe | |
| Built up area (2024) | Caernarfon | W45000738 | 
| Census output area (2021) | W00000473 | |
| Census output area (2011) | 7D1 | |
| Lower layer super output area (2021) | Gwynedd 006B | W01000093 | 
| Lower layer super output area (2011) | Gwynedd 006B | W01000093 | 
| Middle layer super output area (2021) | Caernarfon East | W02000015 | 
| Middle layer super output area (2011) | Caernarfon East | W02000015 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% |