| Postcode | SA8 3AZ | 
|---|---|
| Post Town | Swansea | 
| Nearest station | Skewen (6 km) | 
| Bus stops | 
                       Lon Tan-yr-Allt (SW) 
Lon Tanyrallt Flats (NE) 
Cwmtawe Comprehensive School (N) 
Pontardawe Tesco (NW) 
Heol Phillip (SE) 
Focus (NE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 9 View | 
| Known addresses | 
                       
                          No addresses found
                       
                     | 
                  
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.714466 | |
|---|---|---|
| Longitude | -3.852291 | |
| Easting | 272130 | |
| Northing | 203373 | |
| Grid reference | SN721033 | |
| UTM reference | 30U 441118 5729624 | |
| what3words | earplugs.solids.trapdoor | |
| FixPhrase | crinkly lunar selector unlocked | |
| Plus code | 9C3RP47X+Q3 | |
| Altitude | 36 metres (117 feet) | |
| Sunrise (today) | 7:16 | |
| Sunset (today) | 16:44 | |
| Distance away | ||
| Distance to sea | 9.7 KMs (6 miles) | 
| Parish | Cilybebyll | W04000606 | 
|---|---|---|
| Ward | Allt-wen | W05001681 | 
| Unitary Authority | Neath Port Talbot | W06000012 | 
| County | West Glamorgan | W11000008 | 
| Constituency (2024) | Brecon, Radnor and Cwm Tawe | W07000085 | 
| MP | David Chadwick | Liberal Democrat | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Neath Port Talbot | |
| NUTS/ITL 2 | Mid and South West Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | September 2007 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less 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: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Alltwen | W45001044 | 
| Census output area (2021) | W00004737 | |
| Census output area (2011) | 8C3 | |
| Lower layer super output area (2021) | Neath Port Talbot 004A | W01000888 | 
| Lower layer super output area (2011) | Neath Port Talbot 004A | W01000888 | 
| Middle layer super output area (2021) | Pontardawe | W02000202 | 
| Middle layer super output area (2011) | Pontardawe | W02000202 | 
| Travel to work area | Swansea | W22000032 |