# SA1 4DN

## Location

- **Coordinates:** 51.617003, -3.956109
- **Open Location Code:** 9C3RJ28V+RH
- **Maidenhead Locator:** IO81ao
- **Qibla:** 115°
- **Grid reference:** SS 64669 92721
- **UTM:** 30U 433804 5718874
- **Elevation:** 11m
- **Timezone:** Europe/London

## Administrative areas

- **Country:** Wales (W92000004)
- **Admin district:** Swansea (W06000011)
- **Ward:** Castle (W05001041)
- **Constituency:** Swansea West (W07000108)
- **Parish code:** W04001033
- **Travel to work area:** W22000032
- **Police force area:** W15000003
- **Built-up area:** W45001113
- **European electoral region:** Wales (W08000001)
- **Date introduced:** 1987-04

## Census & classification

- **2021 LSOA:** W01000749
- **2021 MSOA:** Brynmill (W02000193)
- **2021 output area:** W00003995
- **2011 LSOA:** W01000749
- **2011 MSOA:** W02000193
- **2011 output area:** W00003995
- **2011 workplace zone:** W35001761
- **Rural/urban classification:** Urban: nearer to a major town or city
- **Output area classification:** Cosmopolitans (2C3)
- **Deprivation rank (IMD):** 660
- **Postcode user type:** Small

## Health (England)

- **ICB location:** W11000031

## Nearest

| Type | Name | Distance (m) |
|---|---|---|
| Railway station | Swansea | 1347 |
| Airport | Swansea Airport | 8122 |
| Bus stop | St Helens Road | 35 |
| Food bank | Swansea Mosque | 284 |
| Defibrillator | Monnis Fish Bar | 144 |
| Pharmacy | Well Pharmacy | 396 |
| Post office | Mail Boxes Etc. | 179 |
| Library | Swansea Central Library | 694 |
| Coast | — | 460 |
| Central London | — | 264894 |

## Utilities

- **Electricity:** National Grid Electricity Distribution (region K, MPAN 21)
- **Water:** Dŵr Cymru
- **Sewerage:** Dŵr Cymru
- **Broadband:** 100% gigabit, 100% superfast, 100% ultrafast, 0% below USO

## Adjacent postcodes

- [SA1 4DH](https://openpostcodes.uk/SA1%204DH)
- [SA1 4DL](https://openpostcodes.uk/SA1%204DL)
- [SA1 4DW](https://openpostcodes.uk/SA1%204DW)
- [SA1 4BE](https://openpostcodes.uk/SA1%204BE)
- [SA1 4BG](https://openpostcodes.uk/SA1%204BG)
- [SA1 4DE](https://openpostcodes.uk/SA1%204DE)
- [SA1 4JL](https://openpostcodes.uk/SA1%204JL)
- [SA1 4BD](https://openpostcodes.uk/SA1%204BD)
- [SA1 4JR](https://openpostcodes.uk/SA1%204JR)

## Boundary

A Polygon boundary polygon is available in the [JSON format](https://openpostcodes.uk/SA1%204DN.json).

## Data

- [HTML](https://openpostcodes.uk/SA1%204DN)
- [JSON](https://openpostcodes.uk/SA1%204DN.json)
- [Markdown](https://openpostcodes.uk/SA1%204DN.md)