NP19 4EW is located in the Llanwern electoral ward, within the unitary authority of Newport and the Welsh Parliamentary constituency of Newport East. The Local Health Board is Aneurin Bevan University and the police force is Gwent. This postcode has been in use since March 2022.
| Easting | 335742 |
| Northing | 187058 |
| Latitude | 51.578706 |
| Longitude | -2.928719 |
| Country | Wales |
| Postcode District | NP19 |
| Ward | Llanwern |
|---|---|
| Constituency | Newport East |
1, MARTENSITE WAY, NEWPORT, NP19 4EW 2022 7 APR £302,995 |
3, MARTENSITE WAY, NEWPORT, NP19 4EW 2022 30 MAR £302,995 |
| P&r East (Queen's Way) | Llanwern | 517m |
| Queen`s Way | Llanwern | 843m |
| Llanwern High School (Hartridge Farm Rd) | Newport | 843m |
| Queen`s Way | Llanwern | 857m |
| Llanwern Village (Station Road) | Llanwern | 1,081m |
| Newport (S Wales) Station | 5.1km |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Nelson Drive | 17:30 | 11:45 | 1,350m |
| Aberthaw Circle | 17:30 | 11:15 | 2,187m |
| Barnardstown | 17:30 | 12:00 | 3,205m |
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 NP19 4EW:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL2 | East Wales |
| ITL 3 Code | Name |
| TLL21 | Monmouthshire and Newport |
| LAU 1 Code | Name |
| W06000022 | Newport |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for NP19 4EW:
| Code | Name | |
|---|---|---|
| OA | W00008568 | |
| LSOA | W01001649 | Newport 004D |
| MSOA | W02000350 | Newport 004 |
| NP19 4TY | Broaching Close | 339m |
| NP19 4TQ | Billet Close | 361m |
| NP19 4TJ | Bainite Grove | 363m |
| NP19 4TN | Bessemer Drive | 421m |
| NP19 4TP | Bessemer Drive | 471m |
| NP19 4TL | Beading Close | 539m |
| NP19 4TW | Brinell Square | 549m |
| NP19 4TT | Bloomery Circle | 571m |
| NP19 4TR | Bloomery Circle | 599m |
| NP19 4TU | Bridling Crescent | 630m |