Postcodes in Monmouthshire page 25 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
NP26 4RE Caldicot Castle 51.600616 -2.750548 348113 189353 ST481893
NP26 4RF Caldicot Castle 51.600232 -2.750138 348141 189310 ST481893
NP26 4RG Caldicot Castle 51.59892 -2.747156 348346 189162 ST483891
NP26 4RH Caldicot Castle 51.599244 -2.747176 348345 189198 ST483891
NP26 4RJ Caldicot Castle 51.599404 -2.746038 348424 189215 ST484892
NP26 4RL Caldicot Castle 51.601505 -2.750722 348102 189452 ST481894
NP26 4RN Caldicot Castle 51.597704 -2.746025 348423 189026 ST484890
NP26 4RQ Severn 51.588117 -2.757574 347612 187968 ST476879
NP26 4RS Caldicot Cross 51.589894 -2.741133 348753 188154 ST487881
NP26 4UX Severn 51.590264 -2.752312 347979 188203 ST479882
NP26 4WA Severn 51.590264 -2.752312 347979 188203 ST479882
NP26 4WB West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4WR West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4WX West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4WY West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4WZ West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4XB Severn 51.590679 -2.753503 347897 188250 ST478882
NP26 4XF Severn 51.590298 -2.752659 347955 188207 ST479882
NP26 4XW West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YA Dewstow 51.592845 -2.756411 347698 188493 ST476884
NP26 4YB West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YD West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YE Dewstow 51.592845 -2.756411 347698 188493 ST476884
NP26 4YF West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YG West End 51.587486 -2.760624 347400 187900 ST473879
NP26 4YH West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YJ West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YL West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YN West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YP West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YQ West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YR West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4YS Dewstow 51.592891 -2.75634 347703 188498 ST477884
NP26 4YY West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4ZB West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4ZJ West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4ZP Dewstow 51.592981 -2.756226 347711 188508 ST477885
NP26 4ZU West End 51.588001 -2.760185 347431 187957 ST474879
NP26 4ZX West End 51.588001 -2.760185 347431 187957 ST474879
NP26 5AA Severn 51.591709 -2.735605 349138 188352 ST491883
NP26 5AB Severn 51.588917 -2.753416 347901 188054 ST479880
NP26 5AD Severn 51.590983 -2.735261 349161 188271 ST491882
NP26 5AE West End 51.588001 -2.760185 347431 187957 ST474879
NP26 5AF Caerwent 51.613325 -2.765201 347113 190777 ST471907
NP26 5AG Caerwent 51.613743 -2.765944 347062 190824 ST470908
NP26 5AH Caerwent 51.596226 -2.771655 346646 188880 ST466888
NP26 5AJ Caerwent 51.601224 -2.767726 346924 189433 ST469894
NP26 5AL Caerwent 51.608889 -2.764332 347168 190283 ST471902
NP26 5AN Caerwent 51.609759 -2.761863 347340 190378 ST473903
NP26 5AP Caerwent 51.609873 -2.760969 347402 190390 ST474903
NP26 5AQ Caerwent 51.611039 -2.764224 347178 190522 ST471905
NP26 5AR Caerwent 51.612109 -2.764227 347179 190641 ST471906
NP26 5AS Caerwent 51.610398 -2.767332 346962 190453 ST469904
NP26 5AT Caerwent 51.614551 -2.768962 346854 190916 ST468909
NP26 5AU Caerwent 51.611656 -2.770155 346768 190595 ST467905
NP26 5AW Caerwent 51.611488 -2.764217 347179 190572 ST471905
NP26 5AX Caerwent 51.610993 -2.765811 347068 190518 ST470905
NP26 5AY Caerwent 51.611111 -2.768254 346899 190533 ST468905
NP26 5AZ Caerwent 51.61221 -2.769341 346825 190656 ST468906
NP26 5BA Caerwent 51.612432 -2.775339 346410 190685 ST464906
NP26 5BB Caerwent 51.603407 -2.758334 347577 189669 ST475896
NP26 5BD Caerwent 51.601254 -2.760305 347438 189431 ST474894
NP26 5BE Caldicot Castle 51.600867 -2.753411 347915 189383 ST479893
NP26 5BF Caldicot Cross 51.595624 -2.753541 347900 188800 ST478888
NP26 5BG West End 51.585478 -2.758266 347561 187675 ST475876
NP26 5BH Caerwent 51.609696 -2.763306 347240 190372 ST472903
NP26 5BJ Caerwent 51.60913 -2.760523 347432 190307 ST474903
NP26 5BL Caerwent 51.614383 -2.765753 347076 190895 ST470908
NP26 5BN Caerwent 51.614118 -2.764969 347130 190865 ST471908
NP26 5BP Caerwent 51.613987 -2.764446 347166 190850 ST471908
NP26 5BQ Caerwent 51.597592 -2.760778 347401 189024 ST474890
NP26 5BR Caerwent 51.609053 -2.738673 348945 190283 ST489902
NP26 5BU Portskewett 51.595324 -2.732776 349338 188752 ST493887
NP26 5BW West End 51.58563 -2.755627 347744 187690 ST477876
NP26 5BX West End 51.585506 -2.756737 347667 187677 ST476876
NP26 5BY Severn 51.586447 -2.755756 347736 187781 ST477877
NP26 5BZ Severn 51.587751 -2.754364 347834 187925 ST478879
NP26 5DA Severn 51.587101 -2.754714 347809 187853 ST478878
NP26 5DB Severn 51.588317 -2.754416 347831 187988 ST478879
NP26 5DD Severn 51.587264 -2.748943 348209 187867 ST482878
NP26 5DE Severn 51.586046 -2.753758 347874 187735 ST478877
NP26 5DF Severn 51.586763 -2.752788 347942 187814 ST479878
NP26 5DG Portskewett 51.592548 -2.733872 349259 188444 ST492884
NP26 5DH Portskewett 51.59361 -2.732142 349380 188561 ST493885
NP26 5DJ Severn 51.587216 -2.752218 347982 187864 ST479878
NP26 5DL Severn 51.587876 -2.753038 347926 187938 ST479879
NP26 5DN Severn 51.587606 -2.751792 348012 187907 ST480879
NP26 5DQ Portskewett 51.592813 -2.731624 349415 188472 ST494884
NP26 5DR Portskewett 51.592836 -2.730917 349464 188474 ST494884
NP26 5EP Severn 51.587243 -2.750819 348079 187866 ST480878
NP26 5ER Severn 51.58713 -2.750211 348121 187853 ST481878
NP26 5ES Severn 51.587002 -2.749097 348198 187838 ST481878
NP26 5ET Severn 51.586562 -2.746261 348394 187787 ST483877
NP26 5FA Severn 51.586473 -2.747587 348302 187778 ST483877
NP26 5FB Severn 51.586713 -2.747894 348281 187805 ST482878
NP26 5FG Caerwent 51.609518 -2.758826 347550 190349 ST475903
NP26 5FH West End 51.586577 -2.757909 347587 187797 ST475877
NP26 5FN Caerwent 51.609989 -2.763845 347203 190405 ST472904
NP26 5GA Severn 51.586064 -2.739714 348847 187727 ST488877
NP26 5GB Severn 51.586013 -2.74068 348780 187722 ST487877
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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