Use this guide to understand CF23 9JN in Wales. Start with the interactive location and approximate postcode outline, then browse the available facts and local-area indicators. Labels show which figures relate to the exact postcode and which cover a larger geography.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | CF23 9JN |
| Postcode without spaces | CF239JN |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5083400 |
| Longitude | -3.1510670 |
| British National Grid | 320,212 E, 179,451 N |
| Country | Wales |
| Output Area (2021) | W00009365 |
| LSOA (2021) | W01001814 |
| MSOA (2021) | W02000383 |
| Electoral ward | W05001286 |
| Westminster constituency | W07000089 |
The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.
A detailed vector map covering a 500 metre radius around the postcode.
Open schools and active GP practices in the CF23 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Wellwood, Llanedeyrn, Cardiff, CF23 9JN
Welsh establishment
Ael-Y-Bryn, Llanedeyrn, Cardiff, CF23 9LF
B
LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF
Welsh establishment
Circle Way East, Llanedyern, Cardiff, CF23 9PD
Welsh establishment
Llanedeyrn Road, Penylan, Cardiff, Cardiff (Caerdydd), CF23 9DT
Welsh establishment
Hammond Way, Penylan, Cardiff, CF23 9NB
Welsh establishment
Pennsylvania, Llanedeyrn, Cardiff, CF23 9LS
Welsh establishment
Coed-Y-Gores, Llanedeyrn, Cardiff, CF23 9NX
Welsh establishment
Ontario Way, Cyncoed, Cardiff, CF23 6HB
Welsh establishment
Ty Gwyn Road, Penylan, Cardiff (Caerdydd), CF23 5QD
B
100 PEN-Y-LAN ROAD, PENYLAN, CARDIFF, CF23 5RH
B
74 PEN-Y-LAN ROAD, CARDIFF, CF23 5SY
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 017E includes CF23 9JN and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 5 |
| Burglary | 2 |
| Public order | 2 |
| Possession of weapons | 1 |
| Shoplifting | 1 |
| Vehicle crime | 1 |
Answers use the geographic scope stated with each dataset above.
CF23 9JN is in Wales.
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Explore other full postcodes in the same postcode sector.