Postcodes in Monmouthshire page 43 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 4LH West End 51.589256 -2.764984 347100 188100 ST470881
NP6 4LJ West End 51.588376 -2.762082 347300 188000 ST472880
NP6 4LL Rogiet 51.588357 -2.764968 347100 188000 ST470880
NP6 4LN West End 51.588366 -2.763525 347200 188000 ST471880
NP6 4LP West End 51.587467 -2.76351 347200 187900 ST471879
NP6 4LQ West End 51.590155 -2.764999 347100 188200 ST470882
NP6 4LR Rogiet 51.590146 -2.766442 347000 188200 ST469882
NP6 4LS Severn 51.586698 -2.74329 348600 187800 ST485878
NP6 4LT Severn 51.586707 -2.741846 348700 187800 ST486878
NP6 4LU Caldicot Cross 51.592955 -2.749166 348200 188500 ST481885
NP6 4LW West End 51.588376 -2.762082 347300 188000 ST472880
NP6 4LX Caldicot Castle 51.592945 -2.75061 348100 188500 ST480884
NP6 4LY Caldicot Cross 51.592936 -2.752053 348000 188500 ST479885
NP6 4LZ Caldicot Cross 51.592936 -2.752053 348000 188500 ST479885
NP6 4NA Caldicot Cross 51.592028 -2.753482 347900 188400 ST478884
NP6 4NB Dewstow 51.592019 -2.754925 347800 188400 ST477884
NP6 4ND Dewstow 51.592918 -2.75494 347800 188500 ST477885
NP6 4NE Dewstow 51.593817 -2.754955 347800 188600 ST477886
NP6 4NF Dewstow 51.593807 -2.756398 347700 188600 ST476885
NP6 4NG Caldicot Cross 51.594697 -2.757857 347600 188700 ST475887
NP6 4NH Caldicot Cross 51.597395 -2.757902 347600 189000 ST475890
NP6 4NJ Dewstow 51.596486 -2.75933 347500 188900 ST474889
NP6 4NL Dewstow 51.593807 -2.756398 347700 188600 ST476885
NP6 4NN Caerwent 51.609991 -2.756668 347700 190400 ST476904
NP6 4NP Dewstow 51.593817 -2.754955 347800 188600 ST477886
NP6 4NQ Caldicot Cross 51.595596 -2.757872 347600 188800 ST475888
NP6 4NR Caldicot Cross 51.594707 -2.756413 347700 188700 ST476887
NP6 4NS Caerwent 51.612641 -2.763933 347200 190700 ST471907
NP6 4NT Caerwent 51.612632 -2.765377 347100 190700 ST470907
NP6 4NU Caerwent 51.613512 -2.76828 346900 190800 ST468908
NP6 4NW Caerwent 51.608193 -2.756638 347700 190200 ST476902
NP6 4NX Caldicot Cross 51.595596 -2.757872 347600 188800 ST475888
NP6 4NY Caerwent 51.614392 -2.771184 346700 190900 ST466909
NP6 4NZ Caerwent 51.612585 -2.772597 346600 190700 ST465907
NP6 4PA Caerwent 51.614297 -2.785625 345700 190900 ST456909
NP6 4PB Caerwent 51.611628 -2.781246 346000 190600 ST459906
NP6 4PD Caerwent 51.61331 -2.798606 344800 190800 ST447908
NP6 4PE Caerwent 51.611502 -2.800018 344700 190600 ST446906
NP6 4PF Caerwent 51.600859 -2.778173 346200 189400 ST461894
NP6 4PG Caerwent 51.606215 -2.784041 345800 190000 ST457900
NP6 4PH Caerwent 51.61159 -2.787022 345600 190600 ST455906
NP6 4PJ Caldicot Cross 51.591184 -2.744806 348500 188300 ST484883
NP6 4PL Caldicot Cross 51.592065 -2.747708 348300 188400 ST482884
NP6 4PN Caldicot Cross 51.593835 -2.752068 348000 188600 ST479886
NP6 4PP Caldicot Cross 51.593826 -2.753511 347900 188600 ST478886
NP6 4PQ Caerwent 51.609733 -2.795655 345000 190400 ST449904
NP6 4PR Caldicot Castle 51.597432 -2.752127 348000 189000 ST479890
NP6 4PS Caldicot Castle 51.597432 -2.752127 348000 189000 ST479890
NP6 4PT Caldicot Castle 51.597432 -2.752127 348000 189000 ST479890
NP6 4PU Caldicot Castle 51.596523 -2.753556 347900 188900 ST478889
NP6 4PW Caldicot Castle 51.596523 -2.753556 347900 188900 ST478889
NP6 4PX Caldicot Castle 51.594762 -2.747752 348300 188700 ST482887
NP6 4PY Caldicot Castle 51.595652 -2.749211 348200 188800 ST481888
NP6 4PZ Caldicot Castle 51.594753 -2.749196 348200 188700 ST481887
NP6 4QA Caldicot Castle 51.595643 -2.750654 348100 188800 ST480888
NP6 4QB Caldicot Castle 51.595633 -2.752098 348000 188800 ST479888
NP6 4QD West End 51.591054 -2.765014 347100 188300 ST470883
NP6 4QE West End 51.591953 -2.765029 347100 188400 ST470884
NP6 4QF Dewstow 51.595587 -2.759315 347500 188800 ST474888
NP6 4QG Caldicot Castle 51.599211 -2.755044 347800 189200 ST477892
NP6 4QH Caldicot Castle 51.599211 -2.755044 347800 189200 ST477892
NP6 4QJ Severn 51.586698 -2.74329 348600 187800 ST485878
NP6 4QL Caldicot Cross 51.591156 -2.749137 348200 188300 ST481882
NP6 4QN Caldicot Cross 51.595615 -2.754985 347800 188800 ST477888
NP6 4QP Caldicot Cross 51.595615 -2.754985 347800 188800 ST477888
NP6 4QQ Caldicot Castle 51.599211 -2.755044 347800 189200 ST477892
NP6 4QR Severn 51.589321 -2.75488 347800 188100 ST477880
NP6 4QS Severn 51.589321 -2.75488 347800 188100 ST477880
NP6 4QT Severn 51.589321 -2.75488 347800 188100 ST477880
NP6 4QU Severn 51.589321 -2.75488 347800 188100 ST477880
NP6 4QW Caldicot Cross 51.595615 -2.754985 347800 188800 ST477888
NP6 4QX Severn 51.589321 -2.75488 347800 188100 ST477880
NP6 4QY Severn 51.589321 -2.75488 347800 188100 ST477880
NP6 4QZ Severn 51.589321 -2.75488 347800 188100 ST477880
NP6 4RA West End 51.584844 -2.751919 348000 187600 ST479875
NP6 4RB Severn 51.584854 -2.750476 348100 187600 ST480876
NP6 4RD Severn 51.584854 -2.750476 348100 187600 ST480876
NP6 4RE Severn 51.584872 -2.74759 348300 187600 ST482876
NP6 4RF Severn 51.584854 -2.750476 348100 187600 ST480876
NP6 4RG Severn 51.584863 -2.749033 348200 187600 ST481876
NP6 4RH Severn 51.584872 -2.74759 348300 187600 ST482876
NP6 4RJ Severn 51.584881 -2.746147 348400 187600 ST483875
NP6 4RL Severn 51.584881 -2.746147 348400 187600 ST483875
NP6 4RN Severn 51.58578 -2.746161 348400 187700 ST483876
NP6 4RP Portskewett 51.590464 -2.715924 350500 188200 ST504881
NP6 4RQ Severn 51.584863 -2.749033 348200 187600 ST481876
NP6 4RS Portskewett 51.590455 -2.717368 350400 188200 ST503881
NP6 4RT Portskewett 51.590464 -2.715924 350500 188200 ST504881
NP6 4RU Portskewett 51.590464 -2.715924 350500 188200 ST504881
NP6 4RW Portskewett 51.590455 -2.717368 350400 188200 ST503881
NP6 4RX Portskewett 51.590464 -2.715924 350500 188200 ST504881
NP6 4RY Portskewett 51.590455 -2.717368 350400 188200 ST503881
NP6 4RZ Severn 51.588568 -2.731773 349400 188000 ST493879
NP6 4SA Portskewett 51.59042 -2.723141 350000 188200 ST499881
NP6 4SB Portskewett 51.590438 -2.720254 350200 188200 ST501882
NP6 4SD Portskewett 51.590455 -2.717368 350400 188200 ST503881
NP6 4SE Portskewett 51.590455 -2.717368 350400 188200 ST503881
NP6 4SF Portskewett 51.591355 -2.717382 350400 188300 ST503883
NP6 4SG Portskewett 51.589503 -2.726014 349800 188100 ST497880
NP6 4SH Portskewett 51.589485 -2.7289 349600 188100 ST495880
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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