Postcodes in Monmouthshire page 48 Unitary Authority

This page provides postcode data for the Monmouthshire UK Unitary Authority.

In 2021, Monmouthshire contained approximately 40,900 households with a population of about 93,000

In 2011, Monmouthshire contained approximately 38,211 households with a population of about 91,283

Parishes in this Unitary Authority
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
NP6 5XP Chepstow Castle and Larkfield 51.641053 -2.676259 353300 193800 ST532938
NP6 5XQ Chepstow Castle and Larkfield 51.641053 -2.676259 353300 193800 ST532938
NP6 5XR Chepstow Castle and Larkfield 51.641961 -2.674828 353400 193900 ST533939
NP6 5XS Chepstow Castle and Larkfield 51.641953 -2.676273 353300 193900 ST532939
NP6 5XT Chepstow Castle and Larkfield 51.642877 -2.671951 353600 194000 ST535940
NP6 5XU Chepstow Castle and Larkfield 51.641053 -2.676259 353300 193800 ST532938
NP6 5XW Chepstow Castle and Larkfield 51.640146 -2.677691 353200 193700 ST531937
NP6 5XX Chepstow Castle and Larkfield 51.641053 -2.676259 353300 193800 ST532938
NP6 5XY Chepstow Castle and Larkfield 51.641053 -2.676259 353300 193800 ST532938
NP6 5XZ Bulwark and Thornwell 51.630273 -2.674655 353400 192600 ST533926
NP6 5YA Chepstow Castle and Larkfield 51.641053 -2.676259 353300 193800 ST532938
NP6 5YB Chepstow Castle and Larkfield 51.641062 -2.674814 353400 193800 ST533938
NP6 5YD Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5YE Chepstow Castle and Larkfield 51.633918 -2.675662 353334 193006 ST533930
NP6 5YF Chepstow Castle and Larkfield 51.633918 -2.675662 353334 193006 ST533930
NP6 5YG Chepstow Castle and Larkfield 51.641037 -2.679149 353100 193800 ST530938
NP6 5YH Chepstow Castle and Larkfield 51.641037 -2.679149 353100 193800 ST530938
NP6 5YJ Chepstow Castle and Larkfield 51.640154 -2.676246 353300 193700 ST532937
NP6 5YL Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5YN Chepstow Castle and Larkfield 51.633918 -2.675662 353334 193006 ST533930
NP6 5YP Mount Pleasant 51.635609 -2.684848 352700 193200 ST526932
NP6 5YQ Chepstow Castle and Larkfield 51.641037 -2.679149 353100 193800 ST530938
NP6 5YR Chepstow Castle and Larkfield 51.633918 -2.675648 353335 193006 ST533930
NP6 5YS Mount Pleasant 51.635609 -2.684848 352700 193200 ST526932
NP6 5YT Mount Pleasant 51.637407 -2.684875 352700 193400 ST526934
NP6 5YU Mount Pleasant 51.638297 -2.686334 352600 193500 ST525935
NP6 5YX Mount Pleasant 51.63918 -2.689237 352400 193600 ST523936
NP6 5YY Chepstow Castle and Larkfield 51.641062 -2.674814 353400 193800 ST533938
NP6 5YZ Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5ZA Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5ZB Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5ZD Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5ZT Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 6AA Mount Pleasant 51.637364 -2.6921 352200 193400 ST521934
NP6 6AB Mount Pleasant 51.637347 -2.694989 352000 193400 ST519934
NP6 6AD Shirenewton 51.640036 -2.696476 351900 193700 ST518937
NP6 6AE St Kingsmark 51.645465 -2.690778 352300 194300 ST522943
NP6 6AF Shirenewton 51.632783 -2.706478 351200 192900 ST511929
NP6 6AG Shirenewton 51.638908 -2.734028 349300 193600 ST492936
NP6 6AH Shirenewton 51.638789 -2.752812 348000 193600 ST479936
NP6 6AJ Shirenewton 51.638779 -2.754257 347900 193600 ST478936
NP6 6AL Shirenewton 51.644108 -2.764462 347200 194200 ST471942
NP6 6AN Shirenewton 51.656552 -2.786356 345700 195600 ST456956
NP6 6AP Shirenewton 51.644913 -2.778928 346200 194300 ST461943
NP6 6AQ Shirenewton 51.638779 -2.754257 347900 193600 ST478936
NP6 6AR Shirenewton 51.66088 -2.811009 344000 196100 ST439961
NP6 6AS Shirenewton 51.666354 -2.799539 344800 196700 ST447967
NP6 6AT Devauden 51.673457 -2.812679 343900 197500 ST438975
NP6 6AU Shirenewton 51.663467 -2.826959 342900 196400 ST428964
NP6 6AW Shirenewton 51.651109 -2.793489 345200 195000 ST451950
NP6 6AX Shirenewton 51.638789 -2.752812 348000 193600 ST479936
NP6 6AY Shirenewton 51.63877 -2.755702 347800 193600 ST477936
NP6 6AZ Shirenewton 51.63877 -2.755702 347800 193600 ST477936
NP6 6BD Devauden 51.661312 -2.745957 348500 196100 ST484961
NP6 6BE Mount Pleasant 51.640079 -2.689251 352400 193700 ST523937
NP6 6BG St Kingsmark 51.644566 -2.690764 352300 194200 ST522942
NP6 6BH Devauden 51.648119 -2.698045 351800 194600 ST517946
NP6 6BJ Devauden 51.648085 -2.703826 351400 194600 ST513946
NP6 6BL Devauden 51.656071 -2.721296 350200 195500 ST501955
NP6 6BN Devauden 51.660485 -2.734378 349300 196000 ST492960
NP6 6BP Devauden 51.646963 -2.73994 348900 194500 ST488945
NP6 6BQ St Kingsmark 51.648145 -2.693709 352100 194600 ST520946
NP6 6BR Devauden 51.655091 -2.73429 349300 195400 ST492954
NP6 6BS Devauden 51.649706 -2.732758 349400 194800 ST493948
NP6 6BT Shirenewton 51.644293 -2.735561 349200 194200 ST491942
NP6 6BU Devauden 51.663774 -2.782143 346000 196400 ST459964
NP6 6BW Devauden 51.655091 -2.73429 349300 195400 ST492954
NP6 6BX Devauden 51.655091 -2.73429 349300 195400 ST492954
NP6 6BY Devauden 51.661302 -2.747403 348400 196100 ST483961
NP6 6BZ Devauden 51.662201 -2.747417 348400 196200 ST483962
NP6 6DA Devauden 51.671846 -2.785175 345800 197300 ST457973
NP6 6DB Devauden 51.673663 -2.782314 346000 197500 ST459975
NP6 6DD Devauden 51.674504 -2.791005 345400 197600 ST453976
NP6 6DE Devauden 51.646036 -2.744261 348600 194400 ST485944
NP6 6DG Devauden 51.66385 -2.770578 346800 196400 ST467964
NP6 6DY Devauden 51.66385 -2.770578 346800 196400 ST467964
NP6 6DZ Devauden 51.66385 -2.770578 346800 196400 ST467964
NP6 6EA St Arvans 51.666965 -2.704118 351400 196700 ST513967
NP6 6EB St Arvans 51.666974 -2.702672 351500 196700 ST514967
NP6 6ED St Arvans 51.666983 -2.701226 351600 196700 ST515967
NP6 6EE St Arvans 51.665202 -2.698307 351800 196500 ST517965
NP6 6EF St Arvans 51.667873 -2.702686 351500 196800 ST514968
NP6 6EG St Arvans 51.658035 -2.69386 352100 195700 ST520957
NP6 6EH St Kingsmark 51.650825 -2.696641 351900 194900 ST518949
NP6 6EJ St Arvans 51.667882 -2.70124 351600 196800 ST515968
NP6 6EL St Arvans 51.664303 -2.698293 351800 196400 ST517964
NP6 6EN St Arvans 51.664303 -2.698293 351800 196400 ST517964
NP6 6EP St Arvans 51.665193 -2.699753 351700 196500 ST516965
NP6 6EQ St Arvans 51.658899 -2.699656 351700 195800 ST516958
NP6 6ER St Arvans 51.665193 -2.699753 351700 196500 ST516965
NP6 6ES St Arvans 51.665193 -2.699753 351700 196500 ST516965
NP6 6ET St Arvans 51.665193 -2.699753 351700 196500 ST516965
NP6 6EU St Arvans 51.665996 -2.71567 350600 196600 ST505966
NP6 6EW St Arvans 51.664294 -2.699739 351700 196400 ST516964
NP6 6EX St Arvans 51.663299 -2.715628 350600 196300 ST505963
NP6 6EY St Arvans 51.671495 -2.698403 351800 197200 ST517972
NP6 6EZ St Arvans 51.671461 -2.704187 351400 197200 ST513972
NP6 6HA St Arvans 51.67057 -2.702728 351500 197100 ST514971
NP6 6HB St Arvans 51.669671 -2.702714 351500 197000 ST514970
NP6 6HD St Arvans 51.674361 -2.669523 353800 197500 ST537975
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license