| Postcode | SA15 3TN | 
|---|---|
| Post Town | Llanelli | 
| Nearest station | Llanelli (1 km) | 
| Bus stops | British Legion (NE) Llanesco Social Club (S) Bus Depot (SE) Bus Depot (NW) Moriah Chapel (E) Queen Victoria Road (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 3 View | 
| Known addresses | 58 Stepney Street, Llanelli | 
| Main property type | Other | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.681834 | |
|---|---|---|
| Longitude | -4.16253 | |
| Easting | 250591 | |
| Northing | 200334 | |
| Grid reference | SN505003 | |
| UTM reference | 30U 419628 5726291 | |
| what3words | tennis.petal.quest | |
| FixPhrase | crinkle lumping stretch ventricle | |
| Plus code | 9C3QMRJP+PX | |
| Altitude | 12 metres (38 feet) | |
| Sunrise (today) | 7:10 | |
| Sunset (today) | 16:52 | |
| Distance away | ||
| Distance to sea | 1.9 KMs (1.2 miles) | 
| Parish | Llanelli | W04000519 | 
|---|---|---|
| Ward | Tyisha | W05001226 | 
| Unitary Authority | Carmarthenshire | W06000010 | 
| County | Dyfed | W11000002 | 
| Constituency (2024) | Llanelli | W07000098 | 
| MP | Dame Nia Griffith | Labour | 
| Police force | Dyfed-Powys | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | South West Wales | |
| NUTS/ITL 2 | Mid and South West Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | May 1994 | 
|---|---|
| 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: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Llanelli | W45001070 | 
| Census output area (2021) | W00003512 | |
| Census output area (2011) | 7A1 | |
| Lower layer super output area (2021) | Carmarthenshire 023B | W01000654 | 
| Lower layer super output area (2011) | Carmarthenshire 023B | W01000654 | 
| Middle layer super output area (2021) | Llanelli West | W02000164 | 
| Middle layer super output area (2011) | Llanelli West | W02000164 | 
| Travel to work area | Llanelli | W22000028 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 58 Stepney Street, Llanelli | Other (leasehold) | Jul 2013 | £900,000 |