Postcodes in Monmouthshire page 49 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 38,214 households with a population of about 91,288

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 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
NP6 6HE St Arvans 51.667017 -2.695443 352000 196700 ST519967
NP6 6HF St Arvans 51.674328 -2.675308 353400 197500 ST533975
NP6 6HG St Arvans 51.693998 -2.694409 352100 199700 ST520997
NP6 6HH St Arvans 51.680495 -2.697095 351900 198200 ST518982
NP6 6HJ Devauden 51.687574 -2.71601 350600 199000 ST505990
NP6 6HL St Arvans 51.693998 -2.694409 352100 199700 ST520997
NP6 6HN Shirenewton 51.622037 -2.699088 351700 191700 ST516917
NP6 6HP Shirenewton 51.625633 -2.699144 351700 192100 ST516921
NP6 6HQ St Arvans 51.691249 -2.703047 351500 199400 ST514994
NP6 6HR Shirenewton 51.620256 -2.696172 351900 191500 ST518915
NP6 6HS Shirenewton 51.622936 -2.699102 351700 191800 ST516918
NP6 6HT Bulwark and Thornwell 51.623113 -2.66877 353800 191800 ST537918
NP6 6HU Bulwark and Thornwell 51.625769 -2.676032 353300 192100 ST532921
NP6 6HW Shirenewton 51.628348 -2.696296 351900 192400 ST518924
NP6 6HX Shirenewton 51.627525 -2.683282 352800 192300 ST527923
NP6 6HY Shirenewton 51.621206 -2.68752 352500 191600 ST524916
NP6 6HZ Shirenewton 51.611299 -2.690258 352300 190500 ST522905
NP6 6JA Shirenewton 51.615795 -2.690327 352300 191000 ST522910
NP6 6JB Shirenewton 51.613997 -2.690299 352300 190800 ST522908
NP6 6JD Shirenewton 51.619366 -2.694714 352000 191400 ST519914
NP6 6JE Shirenewton 51.619366 -2.694714 352000 191400 ST519914
NP6 6JF Shirenewton 51.621172 -2.693297 352100 191600 ST520916
NP6 6JG Shirenewton 51.619366 -2.694714 352000 191400 ST519914
NP6 6JH Shirenewton 51.620256 -2.696172 351900 191500 ST518915
NP6 6JJ Shirenewton 51.620256 -2.696172 351900 191500 ST518915
NP6 6JL Shirenewton 51.620256 -2.696172 351900 191500 ST518915
NP6 6JN Shirenewton 51.620256 -2.696172 351900 191500 ST518915
NP6 6JP Shirenewton 51.621138 -2.699074 351700 191600 ST516916
NP6 6JQ Shirenewton 51.620265 -2.694728 352000 191500 ST519915
NP6 6JR Shirenewton 51.622945 -2.697658 351800 191800 ST517918
NP6 6JS Shirenewton 51.626541 -2.697713 351800 192200 ST517922
NP6 6JT Shirenewton 51.62744 -2.697727 351800 192300 ST517923
NP6 6JU Shirenewton 51.628348 -2.696296 351900 192400 ST518924
NP6 6JW Shirenewton 51.621147 -2.69763 351800 191600 ST517916
NP6 6JX Shirenewton 51.629204 -2.703533 351400 192500 ST513925
NP6 6JY Shirenewton 51.629256 -2.694865 352000 192500 ST519925
NP6 6JZ Shirenewton 51.629256 -2.694865 352000 192500 ST519925
NP6 6LA Shirenewton 51.628356 -2.694852 352000 192400 ST519924
NP6 6LB Shirenewton 51.629256 -2.694865 352000 192500 ST519925
NP6 6LD Shirenewton 51.632783 -2.706478 351200 192900 ST511929
NP6 6LE Shirenewton 51.627423 -2.700616 351600 192300 ST515923
NP6 6LF Shirenewton 51.6247 -2.704908 351300 192000 ST512920
NP6 6LG Shirenewton 51.619314 -2.70338 351400 191400 ST513914
NP6 6LH Shirenewton 51.627423 -2.700616 351600 192300 ST515923
NP6 6LJ Shirenewton 51.619253 -2.713489 350700 191400 ST506914
NP6 6LL Caerwent 51.617357 -2.729347 349600 191200 ST495912
NP6 6LN Caerwent 51.639489 -2.78317 345900 193700 ST458937
NP6 6LP Caerwent 51.628584 -2.800319 344700 192500 ST446925
NP6 6LQ Shirenewton 51.628331 -2.699185 351700 192400 ST516924
NP6 6LR Shirenewton 51.620187 -2.707726 351100 191500 ST510915
NP6 6LS Caerwent 51.627192 -2.738173 349000 192300 ST489923
NP6 6LT Caerwent 51.60912 -2.752321 348000 190300 ST479903
NP6 6LU Caerwent 51.618772 -2.788591 345500 191400 ST454914
NP6 6LW Caerwent 51.626806 -2.797398 344900 192300 ST448923
NP6 6LX Caerwent 51.627665 -2.803192 344500 192400 ST444924
NP6 6LY Caerwent 51.619613 -2.797272 344900 191500 ST448915
NP6 6LZ Caerwent 51.633859 -2.817751 343500 193100 ST434931
NP6 6NA Mitchel Troy and Trellech United 51.721764 -2.712206 350900 202800 SO508028
NP6 6NB Mitchel Troy and Trellech United 51.722637 -2.716563 350600 202900 SO505029
NP6 6ND Mitchel Troy and Trellech United 51.72351 -2.72092 350300 203000 SO502030
NP6 6NE Mitchel Troy and Trellech United 51.723518 -2.719472 350400 203000 SO503030
NP6 6NF Mitchel Troy and Trellech United 51.719958 -2.713625 350800 202600 SO507026
NP6 6NG Mitchel Troy and Trellech United 51.725352 -2.71371 350800 203200 SO507032
NP6 6NH Mitchel Troy and Trellech United 51.720909 -2.704954 351400 202700 SO513027
NP6 6NJ Mitchel Troy and Trellech United 51.71905 -2.715059 350700 202500 SO506025
NP6 6NL St Arvans 51.715609 -2.688949 352500 202100 SO524021
NP6 6NN Devauden 51.689173 -2.747862 348400 199200 ST483992
NP6 6NP Mitchel Troy and Trellech United 51.713699 -2.707737 351200 201900 SO511019
NP6 6NQ Mitchel Troy and Trellech United 51.720909 -2.704954 351400 202700 SO513027
NP6 6NR Devauden 51.699017 -2.755259 347900 200300 SO478003
NP6 6NS Devauden 51.703484 -2.759675 347600 200800 SO475008
NP6 6NT Devauden 51.708888 -2.758318 347700 201400 SO476014
NP6 6NU Devauden 51.715096 -2.771449 346800 202100 SO467021
NP6 6NW Devauden 51.695448 -2.750859 348200 199900 ST481999
NP6 6NX Devauden 51.684678 -2.747788 348400 198700 ST483987
NP6 6NY Devauden 51.691586 -2.791303 345400 199500 ST453995
NP6 6NZ Devauden 51.687165 -2.805475 344415 199019 ST444990
NP6 6PA Devauden 51.699888 -2.759615 347600 200400 SO475004
NP6 6PB Devauden 51.689108 -2.757988 347700 199200 ST476992
NP6 6PD Devauden 51.679976 -2.77953 346200 198200 ST461982
NP6 6PE Devauden 51.687423 -2.748831 348331 199006 ST483990
NP6 6PF Devauden 51.687412 -2.742047 348800 199000 ST487990
NP6 6PG Devauden 51.686467 -2.749264 348300 198900 ST482989
NP6 6PH Devauden 51.686621 -2.724674 350000 198900 ST499989
NP6 6PJ Devauden 51.68199 -2.746297 348500 198400 ST484984
NP6 6PL Devauden 51.677355 -2.767915 347000 197900 ST469979
NP6 6PN Devauden 51.678301 -2.760699 347500 198000 ST474980
NP6 6PP Devauden 51.690841 -2.768143 347000 199400 ST469994
NP6 6PQ Devauden 51.685586 -2.746356 348500 198800 ST484988
NP6 6PR Devauden 51.694234 -2.798584 344900 199800 ST448998
NP6 6PS Devauden 51.692825 -2.739241 349000 199600 ST489996
NP6 6PT Devauden 51.682768 -2.765114 347200 198500 ST471985
NP6 6PU Devauden 51.680989 -2.762191 347400 198300 ST473983
NP6 6PW Devauden 51.667531 -2.757627 347700 196800 ST476968
NP6 6PX Devauden 51.683723 -2.756451 347800 198600 ST477986
NP6 6PY Devauden 51.686458 -2.750711 348200 198900 ST481989
NP6 6PZ Devauden 51.686458 -2.750711 348200 198900 ST481989
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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