Postcodes in Monmouthshire page 20 Unitary Authority

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

Parishes in this Unitary Authority
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
NP25 5WY Town 51.813105 -2.715617 350764 212962 SO507129
NP25 5WZ Overmonnow 51.806648 -2.72603 350039 212250 SO500122
NP25 5XA Osbaston 51.818804 -2.71298 350952 213594 SO509135
NP25 5XL Osbaston 51.818804 -2.71298 350952 213594 SO509135
NP25 5XP Town 51.813105 -2.715617 350764 212962 SO507129
NP25 5XR Town 51.813105 -2.715617 350764 212962 SO507129
NP25 5XT Osbaston 51.818072 -2.712098 351012 213512 SO510135
NP25 5XZ Town 51.81297 -2.715586 350766 212947 SO507129
NP25 5YA Town 51.813638 -2.713798 350890 213020 SO508130
NP25 5YB Drybridge 51.815441 -2.731989 349638 213233 SO496132
NP25 5YD Town 51.81297 -2.715586 350766 212947 SO507129
NP25 5YE Drybridge 51.815472 -2.7327 349589 213236 SO495132
NP25 5YF Drybridge 51.816006 -2.732158 349627 213296 SO496132
NP25 5YG Osbaston 51.818804 -2.71298 350952 213594 SO509135
NP25 5YH Town 51.81297 -2.715586 350766 212947 SO507129
NP25 5YJ Drybridge 51.816006 -2.732158 349627 213296 SO496132
NP25 5YL Town 51.813105 -2.715617 350764 212962 SO507129
NP25 5YN Osbaston 51.818804 -2.71298 350952 213594 SO509135
NP25 5YP Town 51.813105 -2.715617 350764 212962 SO507129
NP25 5YQ Town 51.813105 -2.715617 350764 212962 SO507129
NP25 5YR Town 51.813105 -2.715617 350764 212962 SO507129
NP25 5YS Town 51.81297 -2.715586 350766 212947 SO507129
NP25 5YU Town 51.81297 -2.715586 350766 212947 SO507129
NP25 5YX Town 51.81297 -2.715586 350766 212947 SO507129
NP25 5YZ Town 51.813638 -2.713798 350890 213020 SO508130
NP25 5ZG Town 51.813638 -2.713798 350890 213020 SO508130
NP25 5ZR Town 51.81297 -2.715586 350766 212947 SO507129
NP25 9AA Town 51.813105 -2.715617 350764 212962 SO507129
NP25 9AD Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9AN Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9AQ Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9AR Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9AS Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9AX Town 51.813105 -2.715617 350764 212962 SO507129
NP25 9AY Town 51.813105 -2.715617 350764 212962 SO507129
NP25 9BB Town 51.813105 -2.715617 350764 212962 SO507129
NP25 9BD Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BE Town 51.813105 -2.715617 350764 212962 SO507129
NP25 9BF Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BG Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BH Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BJ Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BL Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BN Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BP Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BQ Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BR Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BS Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BT Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BU Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BW Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BX Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BY Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9BZ Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9DA Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9DB Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9DD Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9DE Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9DF Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9DG Town 51.813638 -2.713798 350890 213020 SO508130
NP25 9DH Town 51.813638 -2.713798 350890 213020 SO508130
NP26 3AL Caerwent 51.600313 -2.84419 341627 189390 ST416893
NP26 3AP Caerwent 51.593701 -2.848326 341332 188658 ST413886
NP26 3AR Caerwent 51.607754 -2.816747 343537 190196 ST435901
NP26 3AS Caerwent 51.611142 -2.825978 342902 190580 ST429905
NP26 3AT Caerwent 51.602856 -2.825366 342934 189658 ST429896
NP26 3AU Caerwent 51.61014 -2.813656 343754 190459 ST437904
NP26 3AX Rogiet 51.598282 -2.819825 343312 189145 ST433891
NP26 3BB Caerwent 51.598375 -2.825891 342892 189160 ST428891
NP26 3BP Caerwent 51.604779 -2.812679 343815 189862 ST438898
NP26 3BU Magor West 51.582724 -2.836807 342116 187428 ST421874
NP26 3BW Magor East with Undy 51.579447 -2.819558 343307 187050 ST433870
NP26 3BX Magor East with Undy 51.588279 -2.823052 343076 188035 ST430880
NP26 3BY Magor East with Undy 51.584896 -2.827277 342779 187662 ST427876
NP26 3BZ Magor West 51.583654 -2.83502 342241 187530 ST422875
NP26 3DB Magor West 51.578265 -2.850463 341164 186943 ST411869
NP26 3DD Magor West 51.574283 -2.823838 343004 186479 ST430864
NP26 3DG Magor West 51.586774 -2.841283 341811 187882 ST418878
NP26 3DH Magor West 51.585947 -2.841326 341807 187790 ST418877
NP26 3DJ Magor West 51.58431 -2.845106 341543 187611 ST415876
NP26 3DL Magor East with Undy 51.57872 -2.819314 343323 186969 ST433869
NP26 3DN Magor West 51.575384 -2.824449 342963 186602 ST429866
NP26 3DP Magor East with Undy 51.569195 -2.811986 343819 185904 ST438859
NP26 3DQ Magor East with Undy 51.578484 -2.820955 343209 186944 ST432869
NP26 3DR Magor West 51.561561 -2.829926 342566 185069 ST425850
NP26 3DW Magor West 51.567174 -2.820679 343214 185686 ST432856
NP26 3EB Magor West 51.578167 -2.840374 341863 186924 ST418869
NP26 3ED Magor East with Undy 51.570912 -2.81724 343457 186099 ST434860
NP26 3EE Magor East with Undy 51.565156 -2.818623 343354 185460 ST433854
NP26 3EF Magor East with Undy 51.580347 -2.812878 343771 187145 ST437871
NP26 3EG Magor West 51.57914 -2.830016 342582 187024 ST425870
NP26 3EH Magor East with Undy 51.578494 -2.822052 343133 186946 ST431869
NP26 3EJ Magor East with Undy 51.581834 -2.818981 343350 187315 ST433873
NP26 3EL Magor East with Undy 51.582564 -2.812167 343823 187391 ST438873
NP26 3EN Magor East with Undy 51.577861 -2.812213 343814 186868 ST438868
NP26 3EP Magor West 51.579601 -2.830948 342518 187076 ST425870
NP26 3EQ Magor East with Undy 51.581132 -2.828031 342722 187244 ST427872
NP26 3ER Magor West 51.579319 -2.830091 342577 187044 ST425870
NP26 3ES Magor West 51.578684 -2.829618 342609 186973 ST426869
NP26 3ET Magor West 51.578806 -2.828884 342660 186986 ST426869
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