| Postcode | LL77 9ZY | 
|---|---|
| Post Town | Rhosneigr, Llangefni | 
| Nearest station | Llanfairpwll (8 km) | 
| Bus stops | Ysgol y Bont (N) Ysgol y Bont (S) Post Office (SE) Industrial Estate (SW) Industrial Estate (NE) Library (NW) | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.253046 | |
|---|---|---|
| Longitude | -4.309879 | |
| Easting | 245996 | |
| Northing | 375383 | |
| Grid reference | SH459753 | |
| UTM reference | 30U 412610 5901220 | |
| what3words | afflicted.generally.scores | |
| FixPhrase | crouton luminous speckled swimwear | |
| Plus code | 9C5Q7M3R+62 | |
| Altitude | 12 metres (38 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 8.2 KMs (5.1 miles) | 
| Parish | Llangefni | W04000024 | 
|---|---|---|
| Ward | Cefni | W05001497 | 
| Unitary Authority | Isle of Anglesey | W06000001 | 
| County | Gwynedd | W11000004 | 
| Constituency (2024) | Ynys Môn | W07000112 | 
| MP | Llinos Medi | Plaid Cymru | 
| Police force | North Wales | |
| NUTS/ITL 3 | Isle of Anglesey | |
| NUTS/ITL 2 | North Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | January 2005 | 
|---|---|
| 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) | Smaller rural: Further from a major town or city | |
| Rural/urban (2011) | Rural town and fringe in a sparse setting | |
| Built up area (2024) | Llangefni | W45000677 | 
| Census output area (2021) | W00000056 | |
| Census output area (2011) | 5B3 | |
| Lower layer super output area (2021) | Isle of Anglesey 006B | W01000012 | 
| Lower layer super output area (2011) | Isle of Anglesey 006B | W01000012 | 
| Middle layer super output area (2021) | Llangefni | W02000006 | 
| Middle layer super output area (2011) | Llangefni | W02000006 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% |