Postcodes in Monmouthshire page 9 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
NP16 5WZ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XA Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XD Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XE Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XF Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XG Chepstow Castle and Larkfield 51.641522 -2.677581 353209 193853 ST532938
NP16 5XH Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XJ Chepstow Castle and Larkfield 51.642282 -2.675223 353373 193936 ST533939
NP16 5XL Chepstow Castle and Larkfield 51.64185 -2.675375 353362 193888 ST533938
NP16 5XN Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XP Mount Pleasant 51.639296 -2.68619 352611 193611 ST526936
NP16 5XQ Chepstow Castle and Larkfield 51.64185 -2.675375 353362 193888 ST533938
NP16 5XR Mount Pleasant 51.639296 -2.68619 352611 193611 ST526936
NP16 5XS Chepstow Castle and Larkfield 51.641581 -2.678276 353161 193860 ST531938
NP16 5XT Chepstow Castle and Larkfield 51.643877 -2.669913 353742 194110 ST537941
NP16 5XU Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5XW Chepstow Castle and Larkfield 51.640338 -2.677159 353237 193721 ST532937
NP16 5XX Chepstow Castle and Larkfield 51.64129 -2.675743 353336 193826 ST533938
NP16 5XY Chepstow Castle and Larkfield 51.641301 -2.675454 353356 193827 ST533938
NP16 5XZ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YA Chepstow Castle and Larkfield 51.641511 -2.674893 353395 193850 ST533938
NP16 5YB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YD Chepstow Castle and Larkfield 51.641783 -2.674565 353418 193880 ST534938
NP16 5YE Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YF Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YG Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YH Chepstow Castle and Larkfield 51.641269 -2.677896 353187 193825 ST531938
NP16 5YJ Chepstow Castle and Larkfield 51.633918 -2.675648 353335 193006 ST533930
NP16 5YL Chepstow Castle and Larkfield 51.639736 -2.669231 353785 193649 ST537936
NP16 5YN Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YP Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YQ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YS Mount Pleasant 51.635985 -2.683496 352794 193241 ST527932
NP16 5YT Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YU Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YW Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5YX Mount Pleasant 51.639296 -2.68619 352611 193611 ST526936
NP16 5YY Chepstow Castle and Larkfield 51.640548 -2.671917 353600 193741 ST535937
NP16 5YZ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZA Chepstow Castle and Larkfield 51.640171 -2.673356 353500 193700 ST534937
NP16 5ZB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZD Chepstow Castle and Larkfield 51.633918 -2.675648 353335 193006 ST533930
NP16 5ZE Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZF Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZG Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZH Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZJ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZL Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZN Bulwark and Thornwell 51.625736 -2.672406 353551 192094 ST535920
NP16 5ZQ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 5ZT Chepstow Castle and Larkfield 51.642474 -2.674676 353411 193957 ST534939
NP16 6AA Mount Pleasant 51.63778 -2.691774 352223 193446 ST522934
NP16 6AB Mount Pleasant 51.63749 -2.695151 351989 193416 ST519934
NP16 6AD Mount Pleasant 51.638046 -2.696936 351866 193479 ST518934
NP16 6AE Mount Pleasant 51.637676 -2.697176 351849 193438 ST518934
NP16 6AF Shirenewton 51.636218 -2.706459 351205 193282 ST512932
NP16 6AG Shirenewton 51.639748 -2.733348 349348 193693 ST493936
NP16 6AH Shirenewton 51.639981 -2.752037 348055 193732 ST480937
NP16 6AJ Shirenewton 51.639404 -2.753559 347949 193669 ST479936
NP16 6AL Shirenewton 51.64188 -2.76704 347019 193954 ST470939
NP16 6AN Shirenewton 51.651506 -2.778477 346239 195033 ST462950
NP16 6AP Shirenewton 51.645413 -2.778084 346259 194355 ST462943
NP16 6AQ Shirenewton 51.639642 -2.751569 348087 193694 ST480936
NP16 6AR Shirenewton 51.660665 -2.805757 344363 196072 ST443960
NP16 6AS Shirenewton 51.664433 -2.801775 344643 196488 ST446964
NP16 6AT Shirenewton 51.669666 -2.81345 343842 197079 ST438970
NP16 6AU Shirenewton 51.663428 -2.822172 343231 196392 ST432963
NP16 6AW Shirenewton 51.650923 -2.787776 345595 194975 ST455949
NP16 6AX Shirenewton 51.638958 -2.751572 348086 193618 ST480936
NP16 6AY Shirenewton 51.640138 -2.752776 348004 193750 ST480937
NP16 6AZ Mount Pleasant 51.64015 -2.695379 351976 193712 ST519937
NP16 6BA Shirenewton 51.667958 -2.800391 344743 196879 ST447968
NP16 6BB Mount Pleasant 51.640741 -2.689825 352361 193774 ST523937
NP16 6BD Devauden 51.661471 -2.746278 348478 196118 ST484961
NP16 6BE St Kingsmark 51.644255 -2.690022 352351 194165 ST523941
NP16 6BG Devauden 51.645585 -2.696272 351920 194317 ST519943
NP16 6BH Devauden 51.649652 -2.70492 351326 194775 ST513947
NP16 6BJ Devauden 51.648761 -2.703403 351430 194675 ST514946
NP16 6BL Devauden 51.655296 -2.721602 350178 195414 ST501954
NP16 6BN Devauden 51.660813 -2.733747 349344 196036 ST493960
NP16 6BP Devauden 51.656079 -2.734538 349284 195510 ST492955
NP16 6BQ St Kingsmark 51.650579 -2.700251 351650 194875 ST516948
NP16 6BR Devauden 51.653654 -2.733964 349321 195240 ST493952
NP16 6BS Devauden 51.650071 -2.73181 349466 194840 ST494948
NP16 6BT Devauden 51.644996 -2.73524 349223 194278 ST492942
NP16 6BU Shirenewton 51.645902 -2.752699 348016 194391 ST480943
NP16 6BW Devauden 51.65568 -2.733519 349354 195465 ST493954
NP16 6BX Devauden 51.657842 -2.749919 348222 195717 ST482957
NP16 6BY Devauden 51.661649 -2.746657 348452 196138 ST484961
NP16 6BZ Devauden 51.662656 -2.743825 348649 196248 ST486962
NP16 6DA Devauden 51.673738 -2.777832 346310 197505 ST463975
NP16 6DB Devauden 51.673933 -2.782246 346005 197530 ST460975
NP16 6DD Devauden 51.672815 -2.798814 344858 197418 ST448974
NP16 6DE Devauden 51.646209 -2.744047 348615 194419 ST486944
NP16 6DF Shirenewton 51.634216 -2.702932 351447 193057 ST514930
NP16 6DG Devauden 51.663979 -2.770045 346837 196414 ST468964
NP16 6DH Devauden 51.660381 -2.753734 347961 196002 ST479960
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database rights 2026
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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