This page provides postcode data for the Gwent Welsh preserved county. Gwent contains approximately 242,784 households with a population of about 576,668 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| NPT 9RX | 51.585211 | -2.949665 | 334300 | 187800 | ST342878 | No |
| NPT 9RY | 51.586122 | -2.94824 | 334400 | 187900 | ST343879 | No |
| NPT 9RZ | 51.587044 | -2.945373 | 334600 | 188000 | ST345880 | No |
| NPT 9SA | 51.586133 | -2.946797 | 334500 | 187900 | ST344879 | No |
| NPT 9SB | 51.587943 | -2.945391 | 334600 | 188100 | ST345881 | No |
| NPT 9SD | 51.588842 | -2.94541 | 334600 | 188200 | ST345882 | No |
| NPT 9SE | 51.58883 | -2.946853 | 334500 | 188200 | ST344882 | No |
| NPT 9SF | 51.588842 | -2.94541 | 334600 | 188200 | ST345882 | No |
| NPT 9SG | 51.588807 | -2.94974 | 334300 | 188200 | ST342882 | No |
| NPT 9SH | 51.586122 | -2.94824 | 334400 | 187900 | ST343879 | No |
| NPT 9SJ | 51.58792 | -2.948278 | 334400 | 188100 | ST343881 | No |
| NPT 9SL | 51.587908 | -2.949721 | 334300 | 188100 | ST342881 | No |
| NPT 9SN | 51.587908 | -2.949721 | 334300 | 188100 | ST342881 | No |
| NPT 9SP | 51.588807 | -2.94974 | 334300 | 188200 | ST342882 | No |
| NPT 9SQ | 51.586986 | -2.952589 | 334100 | 188000 | ST340880 | No |
| NPT 9SR | 51.586997 | -2.951145 | 334200 | 188000 | ST341880 | No |
| NPT 9SS | 51.587021 | -2.948259 | 334400 | 188000 | ST343880 | No |
| NPT 9ST | 51.587021 | -2.948259 | 334400 | 188000 | ST343880 | No |
| NPT 9SU | 51.587931 | -2.946835 | 334500 | 188100 | ST344881 | No |
| NPT 9SW | 51.587931 | -2.946835 | 334500 | 188100 | ST344881 | No |
| NPT 9SX | 51.587032 | -2.946816 | 334500 | 188000 | ST344880 | No |
| NPT 9SY | 51.586122 | -2.94824 | 334400 | 187900 | ST343879 | No |
| NPT 9XA | 51.587954 | -2.943948 | 334700 | 188100 | ST346881 | No |
| NPT 9ZA | 51.57531 | -2.950901 | 334200 | 186700 | ST341867 | No |
| NPT 9ZB | 51.628162 | -2.975122 | 332600 | 192600 | ST325926 | No |