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

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

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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