NP12 0PA is located in the Penmaen 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 January 2020.


| Easting | 318905 |
| Northing | 198119 |
| Latitude | 51.675964 |
| Longitude | -3.174216 |
| Country | Wales |
| Postcode District | NP12 |
| Ward | Penmaen |
|---|---|
| Constituency | Islwyn |
9, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 18 DEC £244,995 |
1, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 17 DEC £254,995 |
19, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 11 DEC £236,995 |
21, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 11 DEC £246,995 |
27, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 11 DEC £253,995 |
23, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 11 DEC £240,000 |
25, CAE'R GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 4 DEC £254,995 |
3, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 4 DEC £244,995 |
11, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 29 SEP £212,995 |
16, CAER GARREG, OAKDALE, BLACKWOOD, NP12 0PA 2020 28 AUG £241,995 |
| Llwyn On Crescent ( Lane) | Oakdale | 176m |
| Waungoch Road (Maes-y-garn Road) | Oakdale | 213m |
| The Oakdale (Central Avenue) | Oakdale | 398m |
| The Oakdale (Central Avenue) | Oakdale | 406m |
| Presbyterian Church (Penmaen Avenue) | Oakdale | 521m |
| Newbridge Station | 2.4km |
| Gilfach Fargoed Station | 3.7km |
| Llanhilleth Station | 3.8km |


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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Blackwood Post Office | 18:00 | 12:30 | 1,842m |
| Bloomfield Road Post Office | 16:00 | 11:45 | 1,895m |
| Pentwynmawr | 16:00 | 11:30 | 2,037m |
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 NP12 0PA:
| 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 NP12 0PA:
| Code | Name | |
|---|---|---|
| OA | W00007290 | |
| LSOA | W01001392 | Caerphilly 009D |
| MSOA | W02000298 | Caerphilly 009 |
| NP12 0ND | Llwynon Crescent | 170m |
| NP12 0NQ | Llys Cyncoed | 171m |
| NP12 0NH | Penrhiw Avenue | 224m |
| NP12 0NB | Beech Grove | 249m |
| NP12 0LY | Markham Crescent | 275m |
| NP12 0NS | Park Lane | 308m |
| NP12 0LT | York Avenue | 312m |
| NP12 0LX | Llwynon Road | 318m |
| NP12 0NA | Maesygarn Road | 334m |
| NP12 0JF | Darren Court | 335m |