Postcodes in Monmouthshire page 13 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
NP16 7YU Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YW Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7YY Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7ZS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 7ZX Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AE Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AH Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AL Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AP Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AQ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AT Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AU Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AW Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AX Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AY Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9AZ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BA Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BD Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BE Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BF Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BG Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BH Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BJ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BL Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BN Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BP Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BQ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BR Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BS Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BT Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BU Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BW Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BX Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BY Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9BZ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DA Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DB Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DD Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DE Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DF Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DG Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DH Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DJ Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DL Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP16 9DN Chepstow Castle and Larkfield 51.64074 -2.672945 353529 193763 ST535937
NP18 1DD Llangybi Fawr 51.658696 -2.969836 333011 195991 ST330959
NP18 1HP Llangybi Fawr 51.6524 -2.95912 333743 195281 ST337952
NP18 1HS Llangybi Fawr 51.636075 -2.959787 333673 193466 ST336934
NP18 1HT Llangybi Fawr 51.637922 -2.959407 333702 193671 ST337936
NP18 1HU Llangybi Fawr 51.640595 -2.968929 333047 193977 ST330939
NP18 1HW Llangybi Fawr 51.647525 -2.96701 333190 194746 ST331947
NP18 1HX Llangybi Fawr 51.655104 -2.961621 333574 195584 ST335955
NP18 1HY Llangybi Fawr 51.654544 -2.955378 334005 195516 ST340955
NP18 1HZ Llangybi Fawr 51.655117 -2.954552 334063 195579 ST340955
NP18 1JA Llangybi Fawr 51.655497 -2.956439 333933 195623 ST339956
NP18 1LR Llangybi Fawr 51.63307 -2.941142 334959 193115 ST349931
NP18 1LS Llangybi Fawr 51.648785 -2.940312 335039 194862 ST350948
NP18 1LT Llangybi Fawr 51.632591 -2.934645 335408 193056 ST354930
NP18 1LU Llangybi Fawr 51.629344 -2.921099 336341 192683 ST363926
NP18 1LW Llangybi Fawr 51.642629 -2.929735 335762 194168 ST357941
NP18 1NU Llangybi Fawr 51.639755 -2.946209 334618 193863 ST346938
NP23 4YA Llanelly 51.824044 -3.092524 324800 214501 SO247145
NP25 3AB Osbaston 51.826838 -2.713658 350914 214488 SO509144
NP25 3AD Wyesham 51.809887 -2.709532 351180 212600 SO511125
NP25 3AE Town 51.81392 -2.711742 351032 213050 SO510130
NP25 3AF Town 51.807035 -2.717233 350646 212288 SO506122
NP25 3AG Wyesham 51.812507 -2.705976 351428 212889 SO514128
NP25 3AR Osbaston 51.824243 -2.723368 350242 214206 SO502142
NP25 3AS Osbaston 51.823621 -2.723662 350221 214137 SO502141
NP25 3AT Osbaston 51.82332 -2.722903 350273 214103 SO502141
NP25 3AU Osbaston 51.823288 -2.723715 350217 214100 SO502140
NP25 3AX Osbaston 51.817993 -2.716246 350726 213506 SO507135
NP25 3AY Osbaston 51.82021 -2.721185 350388 213756 SO503137
NP25 3AZ Osbaston 51.820511 -2.72193 350337 213790 SO503137
NP25 3BD Osbaston 51.827362 -2.720574 350438 214551 SO504145
NP25 3BE Osbaston 51.826449 -2.721459 350376 214450 SO503144
NP25 3BF Osbaston 51.826918 -2.719667 350500 214501 SO504145
NP25 3BG Osbaston 51.827186 -2.718467 350583 214530 SO505145
NP25 3BQ Town 51.812033 -2.714483 350841 212842 SO508128
NP25 3BR Town 51.813027 -2.715152 350796 212953 SO507129
NP25 3BS Town 51.812705 -2.716409 350709 212918 SO507129
NP25 3BT Town 51.812398 -2.715113 350798 212883 SO507128
NP25 3BU Town 51.812823 -2.714655 350830 212930 SO508129
NP25 3BW Town 51.812903 -2.711915 351019 212937 SO510129
NP25 3BX Town 51.812626 -2.714638 350831 212908 SO508129
NP25 3BY Town 51.813168 -2.712644 350969 212967 SO509129
NP25 3BZ Town 51.81285 -2.713249 350927 212932 SO509129
NP25 3DA Town 51.813033 -2.712686 350966 212952 SO509129
NP25 3DB Town 51.81247 -2.713562 350905 212890 SO509128
NP25 3DD Town 51.812079 -2.712772 350959 212846 SO509128
NP25 3DE Town 51.811766 -2.71255 350974 212811 SO509128
NP25 3DF Town 51.811853 -2.713015 350942 212821 SO509128
NP25 3DG Town 51.811235 -2.714152 350863 212753 SO508127
NP25 3DH Town 51.810675 -2.713156 350931 212690 SO509126
NP25 3DJ Town 51.813531 -2.710677 351105 213006 SO511130
NP25 3DL Town 51.81244 -2.711211 351067 212885 SO510128
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