Postcodes in Monmouthshire page 46 Unitary Authority

  1. All administrative areas

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

Wards in this Unitary Authority
Bulwark and Thornwell ,   Caerwent ,   Caldicot Castle ,   Caldicot Cross ,   Cantref ,   Chepstow Castle and Larkfield ,   Croesonen ,   Crucorney ,   Devauden ,   Dewstow ,   Drybridge ,   Gobion Fawr ,   Goetre Fawr ,   Grofield ,   Lansdown ,   Llanbadoc and Usk ,   Llanelly ,   Llanfoist Fawr and Govilon ,   Llangybi Fawr ,   Llantilio Crossenny ,   Magor East with Undy ,   Magor West ,   Mardy ,   Mitchel Troy and Trellech United ,   Mount Pleasant ,   Osbaston ,   Overmonnow ,   Park ,   Pen Y Fal ,   Portskewett ,   Raglan ,   Rogiet ,   Severn ,   Shirenewton ,   St Arvans ,   St Kingsmark ,   Town ,   West End ,   Wyesham
Parishes in this Unitary Authority
Abergavenny ,   Caerwent ,   Caldicot ,   Chepstow ,   Crucorney ,   Devauden ,   Gobion Fawr ,   Goetre Fawr ,   Grosmont ,   Llanarth ,   Llanbadoc ,   Llanelly ,   Llanfoist Fawr ,   Llangybi ,   Llantilio Pertholey ,   Llantrisant Fawr ,   Magor with Undy ,   Mathern ,   Mitchel Troy ,   Monmouth ,   Portskewett ,   Raglan ,   Rogiet ,   Shirenewton ,   Skenfrith ,   St. Arvans ,   Trellech United ,   Usk ,   Whitecastle ,   Wye Valley
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
NP6 5JA Chepstow Castle and Larkfield 51.641936 -2.679163 353100 193900 ST530939
NP6 5JB Mount Pleasant 51.63834 -2.679109 353100 193500 ST530935
NP6 5JD Chepstow Castle and Larkfield 51.634743 -2.679056 353100 193100 ST530931
NP6 5JE Chepstow Castle and Larkfield 51.636541 -2.679082 353100 193300 ST530933
NP6 5JF Chepstow Castle and Larkfield 51.633852 -2.677597 353200 193000 ST531930
NP6 5JG Chepstow Castle and Larkfield 51.634752 -2.677611 353200 193100 ST531931
NP6 5JH Mount Pleasant 51.634735 -2.6805 353000 193100 ST529931
NP6 5JJ Chepstow Castle and Larkfield 51.633844 -2.679042 353100 193000 ST530930
NP6 5JL Chepstow Castle and Larkfield 51.634743 -2.679056 353100 193100 ST530931
NP6 5JN Chepstow Castle and Larkfield 51.631155 -2.677557 353200 192700 ST531927
NP6 5JP Chepstow Castle and Larkfield 51.632063 -2.676126 353300 192800 ST532928
NP6 5JQ Chepstow Castle and Larkfield 51.634743 -2.679056 353100 193100 ST530931
NP6 5JR Chepstow Castle and Larkfield 51.632953 -2.677584 353200 192900 ST531929
NP6 5JS Chepstow Castle and Larkfield 51.633852 -2.677597 353200 193000 ST531930
NP6 5JT Chepstow Castle and Larkfield 51.632038 -2.68046 353000 192800 ST529928
NP6 5JU Chepstow Castle and Larkfield 51.632962 -2.676139 353300 192900 ST532929
NP6 5JW Chepstow Castle and Larkfield 51.631164 -2.676113 353300 192700 ST532927
NP6 5JX Chepstow Castle and Larkfield 51.632063 -2.676126 353300 192800 ST532928
NP6 5JY Chepstow Castle and Larkfield 51.632071 -2.674681 353400 192800 ST533928
NP6 5JZ Chepstow Castle and Larkfield 51.63476 -2.676166 353300 193100 ST532931
NP6 5LA Chepstow Castle and Larkfield 51.634752 -2.677611 353200 193100 ST531931
NP6 5LB Mount Pleasant 51.635634 -2.680514 353000 193200 ST529932
NP6 5LD Chepstow Castle and Larkfield 51.634768 -2.674721 353400 193100 ST533931
NP6 5LE St Kingsmark 51.644583 -2.687874 352500 194200 ST524942
NP6 5LF St Kingsmark 51.643709 -2.683525 352800 194100 ST527941
NP6 5LG Chepstow Castle and Larkfield 51.641953 -2.676273 353300 193900 ST532939
NP6 5LH Chepstow Castle and Larkfield 51.640146 -2.677691 353200 193700 ST531937
NP6 5LJ Chepstow Castle and Larkfield 51.641062 -2.674814 353400 193800 ST533938
NP6 5LL Chepstow Castle and Larkfield 51.641037 -2.679149 353100 193800 ST530938
NP6 5LN Chepstow Castle and Larkfield 51.641037 -2.679149 353100 193800 ST530938
NP6 5LP St Kingsmark 51.641028 -2.680594 353000 193800 ST529938
NP6 5LQ Chepstow Castle and Larkfield 51.641053 -2.676259 353300 193800 ST532938
NP6 5LR St Kingsmark 51.641927 -2.680608 353000 193900 ST529939
NP6 5LS St Kingsmark 51.642818 -2.682066 352900 194000 ST528940
NP6 5LT St Kingsmark 51.644608 -2.683538 352800 194200 ST527942
NP6 5LU St Kingsmark 51.646389 -2.686456 352600 194400 ST525944
NP6 5LW Chepstow Castle and Larkfield 51.641037 -2.679149 353100 193800 ST530938
NP6 5LX St Kingsmark 51.64728 -2.687915 352500 194500 ST524945
NP6 5LY St Kingsmark 51.64549 -2.686442 352600 194300 ST525943
NP6 5LZ St Kingsmark 51.643675 -2.689305 352400 194100 ST523941
NP6 5NA St Kingsmark 51.644574 -2.689319 352400 194200 ST523942
NP6 5NB St Kingsmark 51.644591 -2.686429 352600 194200 ST525942
NP6 5ND St Kingsmark 51.6437 -2.68497 352700 194100 ST526941
NP6 5NE St Kingsmark 51.641885 -2.687833 352500 193900 ST524939
NP6 5NF St Kingsmark 51.641927 -2.680608 353000 193900 ST529939
NP6 5NG Bulwark and Thornwell 51.625769 -2.676032 353300 192100 ST532921
NP6 5NH Bulwark and Thornwell 51.626676 -2.674601 353400 192200 ST533922
NP6 5NJ Bulwark and Thornwell 51.625777 -2.674588 353400 192100 ST533921
NP6 5NL Bulwark and Thornwell 51.625786 -2.673143 353500 192100 ST534921
NP6 5NN Bulwark and Thornwell 51.624887 -2.67313 353500 192000 ST534920
NP6 5NP Bulwark and Thornwell 51.624895 -2.671686 353600 192000 ST535920
NP6 5NQ Bulwark and Thornwell 51.624878 -2.674575 353400 192000 ST533920
NP6 5NR Bulwark and Thornwell 51.623996 -2.671672 353600 191900 ST535919
NP6 5NS Bulwark and Thornwell 51.626693 -2.671712 353600 192200 ST535922
NP6 5NT Bulwark and Thornwell 51.624903 -2.670241 353700 192000 ST536920
NP6 5NU St Kingsmark 51.642801 -2.684957 352700 194000 ST526940
NP6 5NW Bulwark and Thornwell 51.623987 -2.673117 353500 191900 ST534919
NP6 5NX Bulwark and Thornwell 51.625802 -2.670254 353700 192100 ST536921
NP6 5NY Bulwark and Thornwell 51.625794 -2.671699 353600 192100 ST535921
NP6 5NZ St Kingsmark 51.644608 -2.683538 352800 194200 ST527942
NP6 5PA Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5PB Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5PD Chepstow Castle and Larkfield 51.639272 -2.673343 353500 193600 ST534936
NP6 5PE Chepstow Castle and Larkfield 51.639272 -2.673343 353500 193600 ST534936
NP6 5PF Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP6 5PG Chepstow Castle and Larkfield 51.641062 -2.674814 353400 193800 ST533938
NP6 5PH Chepstow Castle and Larkfield 51.640163 -2.674801 353400 193700 ST533937
NP6 5PJ Mount Pleasant 51.638331 -2.680554 353000 193500 ST529935
NP6 5PL Mount Pleasant 51.63923 -2.680568 353000 193600 ST529936
NP6 5PN Chepstow Castle and Larkfield 51.637432 -2.680541 353000 193400 ST529934
NP6 5PP Mount Pleasant 51.638331 -2.680554 353000 193500 ST529935
NP6 5PQ Chepstow Castle and Larkfield 51.641053 -2.676259 353300 193800 ST532938
NP6 5PR Mount Pleasant 51.636525 -2.681972 352900 193300 ST528933
NP6 5PS Mount Pleasant 51.63834 -2.679109 353100 193500 ST530935
NP6 5PT Mount Pleasant 51.63834 -2.679109 353100 193500 ST530935
NP6 5PU Mount Pleasant 51.63834 -2.679109 353100 193500 ST530935
NP6 5PW Mount Pleasant 51.636525 -2.681972 352900 193300 ST528933
NP6 5PX Mount Pleasant 51.639222 -2.682013 352900 193600 ST528936
NP6 5PY Mount Pleasant 51.638314 -2.683444 352800 193500 ST527935
NP6 5PZ Mount Pleasant 51.638323 -2.681999 352900 193500 ST528935
NP6 5QA St Kingsmark 51.644591 -2.686429 352600 194200 ST525942
NP6 5QB Mount Pleasant 51.638331 -2.680554 353000 193500 ST529935
NP6 5QD Chepstow Castle and Larkfield 51.633861 -2.676153 353300 193000 ST532930
NP6 5QE Bulwark and Thornwell 51.628491 -2.671739 353600 192400 ST535924
NP6 5QF Bulwark and Thornwell 51.626701 -2.670268 353700 192200 ST536922
NP6 5QG Bulwark and Thornwell 51.629382 -2.673197 353500 192500 ST534925
NP6 5QH Bulwark and Thornwell 51.628483 -2.673183 353500 192400 ST534924
NP6 5QJ Bulwark and Thornwell 51.628491 -2.671739 353600 192400 ST535924
NP6 5QL Bulwark and Thornwell 51.629407 -2.668863 353800 192500 ST537925
NP6 5QN Bulwark and Thornwell 51.627592 -2.671725 353600 192300 ST535923
NP6 5QP Bulwark and Thornwell 51.627609 -2.668836 353800 192300 ST537923
NP6 5QQ Bulwark and Thornwell 51.628499 -2.670294 353700 192400 ST536924
NP6 5QR Bulwark and Thornwell 51.628499 -2.670294 353700 192400 ST536924
NP6 5QS Bulwark and Thornwell 51.629399 -2.670307 353700 192500 ST536925
NP6 5QT Bulwark and Thornwell 51.630289 -2.671765 353600 192600 ST535926
NP6 5QU Bulwark and Thornwell 51.629382 -2.673197 353500 192500 ST534925
NP6 5QW Bulwark and Thornwell 51.628491 -2.671739 353600 192400 ST535924
NP6 5QX Bulwark and Thornwell 51.630281 -2.67321 353500 192600 ST534926
NP6 5QY Chepstow Castle and Larkfield 51.63118 -2.673223 353500 192700 ST534927
NP6 5QZ Chepstow Castle and Larkfield 51.632088 -2.671792 353600 192800 ST535928
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




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