NP11 4AT is located in the Newbridge electoral ward, within the unitary authority of Caerphilly and the Welsh Parliamentary constituency of Islwyn. The Local Health Board is Aneurin Bevan University and the police force is Gwent. This postcode has been in use since July 2023.
| Easting | 320915 |
| Northing | 197166 |
| Latitude | 51.667684 |
| Longitude | -3.144936 |
| Country | Wales |
| Postcode District | NP11 |
| Ward | Newbridge |
|---|---|
| Constituency | Islwyn |
2, CELYNEN CLOSE, NEWBRIDGE, NEWPORT, NP11 4AT 2026 29 MAY £350,000 |
1, CELYNEN CLOSE, NEWBRIDGE, NEWPORT, NP11 4AT 2026 30 MAR £335,000 |
5, CELYNEN CLOSE, NEWBRIDGE, NEWPORT, NP11 4AT 2023 4 AUG £464,000 |
| Ashfield Road Surgery (Ashfield Road) | Newbridge | 65m |
| Ashfield Road Surgery (Ashfield Road) | Newbridge | 71m |
| Beulah Chapel (North Road) | Newbridge | 136m |
| Beulah Chapel (North Road) | Newbridge | 158m |
| Ashfield Road Lane (Park Road) | Newbridge | 230m |
| Newbridge Station | 0.3km |
| Llanhilleth Station | 3.7km |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Newbridge Post Office | 17:00 | 11:45 | 332m |
| Pentwynmawr | 16:00 | 11:30 | 1,603m |
| Blackwood Post Office | 18:00 | 12:30 | 3,474m |
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 NP11 4AT:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL16 | Gwent Valleys |
| LAU 1 Code | Name |
| W06000018 | Caerphilly |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for NP11 4AT:
| Code | Name | |
|---|---|---|
| OA | W00007240 | |
| LSOA | W01001383 | Caerphilly 010D |
| MSOA | W02000299 | Caerphilly 010 |
| NP11 4QP | Church Road | 59m |
| NP11 4EP | Thorne Avenue | 81m |
| NP11 4QR | Greenfield Avenue | 90m |
| NP11 4QU | Fairfield Cottages | 102m |
| NP11 4QW | Ashfield Road | 105m |
| NP11 4QS | Yew Tree Road | 111m |
| NP11 4QX | Greenfield | 122m |
| NP11 4ES | Alexandra Place | 123m |
| NP11 4QT | North Road | 123m |
| NP11 4RF | Park Road | 144m |