SA4 4DJ lies on High Street in Gorseinon, Swansea. SA4 4DJ is located in the Gorseinon and Penyrheol electoral ward, within the unitary authority of Swansea and the Welsh Parliamentary constituency of Gower. The Local Health Board is Swansea Bay University and the police force is South Wales. This postcode has been in use since January 1993.


| Easting | 259324 |
| Northing | 198650 |
| Latitude | 51.668967 |
| Longitude | -4.035647 |
| Street | High Street |
| Locality | Gorseinon |
| Town/City | Swansea |
| Country | Wales |
| Postcode District | SA4 |
Elevation or altitude of SA4 4DJ as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 10m | 33ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
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| Ward | Gorseinon And Penyrheol |
|---|---|
| Constituency | Gower |
1, HIGH STREET, GORSEINON, SWANSEA, SA4 4DJ 2003 29 AUG £125,000 |
| Somerfield (High Street) | Gorseinon | 52m |
| Somerfield (High Street) | Gorseinon | 93m |
| Parc Melin Mynach (Heol Y Mynydd) | Gorseinon | 347m |
| Llys Gwalia (Gorseinon Road) | Gorseinon | 398m |
| Llys Gwalia (Gorseinon Road) | Gorseinon | 457m |
| Gowerton Station | 2.3km |
| Llangennech Station | 3.9km |
| Bynea Station | 4.4km |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Trinity Street | 17:45 | 12:45 | 98m |
| Gorseinon P O | 17:45 | 12:30 | 455m |
| Pontardulais Road | 17:30 | 13:15 | 532m |
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for SA4 4DJ:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL18 | Swansea |
| LAU 1 Code | Name |
| W06000011 | Swansea |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SA4 4DJ:
| Code | Name | |
|---|---|---|
| OA | W00010076 | |
| LSOA | W01000773 | Swansea 005A |
| MSOA | W02000172 | Swansea 005 |
| SA4 4DA | Rhydymardy | 82m |
| SA4 4BX | High Street | 100m |
| SA4 4BZ | Mill Street | 106m |
| SA4 4BT | High Street | 137m |
| SA4 4EF | Lime Street | 143m |
| SA4 4EQ | Trinity Street | 193m |
| SA4 4BR | High Street | 203m |
| SA4 4EE | Lime Street | 216m |
| SA4 4PJ | Cwrt Rhian | 223m |
| SA4 4BU | Cross Street | 235m |