Postcodes in Cardiff page 141 Unitary Authority

This page provides postcode data for the Cardiff UK Unitary Authority.

In 2021, Cardiff contained approximately 147,300 households with a population of about 362,400

In 2011, Cardiff contained approximately 142,598 households with a population of about 346,191

Wards in this Unitary Authority

Adamsdown , Butetown , Caerau , Canton , Cathays , Cyncoed , Ely , Fairwater , Gabalfa , Grangetown , Heath , Lisvane and Thornhill , Llandaff , Llandaff North , Llanishen , Llanrumney , Pentwyn , Pentyrch and St Fagans , Penylan , Plasnewydd , Pontprennau and Old St Mellons , Radyr , Rhiwbina , Riverside , Rumney , Splott , Trowbridge , Whitchurch and Tongwynlais

Parishes in this Unitary Authority

Adamsdown , Butetown , Caerau , Canton , Castle , Cathays , Cyncoed , Ely , Fairwater , Gabalfa , Grangetown , Heath , Lisvane , Llandaff , Llandaff North , Llanedeyrn , Llanishen , Llanrumney , Old St. Mellons , Pentwyn , Pentyrch , Penylan , Pontcanna , Pontprennau , Radyr and Morganstown , Rhiwbina , Riverside , Roath , Rumney , Splott , St. Fagans , Thornhill , Tongwynlais , Tremorfa , Trowbridge , Whitchurch

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Postcode	Ward	Latitude	Longitude	Easting	Northing	Grid ref
CF3 9TX	Pontprennau and Old St Mellons	51.527183	-3.107027	323299	181500	ST232815
CF3 9TY	Pontprennau and Old St Mellons	51.528981	-3.107071	323299	181700	ST232817
CF3 9TZ	Pontprennau and Old St Mellons	51.53082	-3.10279	323599	181900	ST235819
CF3 9UA	Pontprennau and Old St Mellons	51.52533	-3.112748	322899	181300	ST228813
CF3 9UB	Llanrumney	51.523519	-3.114145	322799	181100	ST227811
CF3 9UD	Pontprennau and Old St Mellons	51.521721	-3.114101	322799	180900	ST227809
CF3 9UE	Trowbridge	51.520835	-3.112638	322899	180800	ST228808
CF3 9UF	Rumney	51.519024	-3.114035	322799	180600	ST227806
CF3 9UG	Rumney	51.51901	-3.115476	322699	180600	ST226806
CF3 9UH	Trowbridge	51.527278	-3.096938	323999	181500	ST239815
CF3 9UJ	Llanrumney	51.520808	-3.11552	322699	180800	ST226808
CF3 9UL	Rumney	51.519923	-3.114057	322799	180700	ST227807
CF3 9UN	Pontprennau and Old St Mellons	51.52533	-3.112748	322899	181300	ST228813
CF3 9UP	Pontprennau and Old St Mellons	51.526229	-3.11277	322899	181400	ST228814
CF3 9UQ	Llanrumney	51.524418	-3.114167	322799	181200	ST227812
CF3 9UR	Pontprennau and Old St Mellons	51.52533	-3.112748	322899	181300	ST228813
CF3 9US	Llanrumney	51.529756	-3.120064	322399	181800	ST223818
CF3 9UT	Llanrumney	51.527114	-3.114233	322799	181500	ST227815
CF3 9UU	Pontprennau and Old St Mellons	51.531623	-3.112902	322899	182000	ST228820
CF3 9UW	Pontprennau and Old St Mellons	51.526229	-3.11277	322899	181400	ST228814
CF3 9UX	Pontprennau and Old St Mellons	51.528013	-3.114255	322799	181600	ST227816
CF3 9UY	Pontprennau and Old St Mellons	51.53071	-3.114321	322799	181900	ST227819
CF3 9UZ	Pontprennau and Old St Mellons	51.532481	-3.117248	322599	182100	ST225821
CF3 9WD	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9WE	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9WF	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9WG	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9WH	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9WJ	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9WL	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9WN	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9WP	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9XA	Pontprennau and Old St Mellons	51.529825	-3.112858	322899	181800	ST228818
CF3 9XB	Pontprennau and Old St Mellons	51.528994	-3.105629	323399	181700	ST233817
CF3 9XD	Pontprennau and Old St Mellons	51.533448	-3.110063	323099	182200	ST230822
CF3 9XJ	Pontprennau and Old St Mellons	51.533421	-3.112946	322899	182200	ST228822
CF3 9XL	Pontprennau and Old St Mellons	51.542369	-3.11749	322599	183200	ST225832
CF3 9XN	Pontprennau and Old St Mellons	51.543235	-3.117237	322618	183296	ST226832
CF3 9XW	Pontprennau and Old St Mellons	51.543235	-3.117237	322618	183296	ST226832
CF3 9XY	Trowbridge	51.516436	-3.102442	323599	180300	ST235803
CF3 9XZ	Trowbridge	51.524091	-3.098332	323897	181147	ST238811
CF3 9YA	Pontprennau and Old St Mellons	51.530586	-3.127293	321899	181900	ST218819
CF3 9YB	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9YD	Llanrumney	51.522076	-3.122989	322183	180949	ST221809
CF3 9YE	Pontprennau and Old St Mellons	51.534	-3.146121	320599	182300	ST205823
CF3 9YF	Pontprennau and Old St Mellons	51.533031	-3.153305	320099	182200	ST200822
CF3 9YG	Pontprennau and Old St Mellons	51.538467	-3.149117	320399	182800	ST203828
CF3 9YJ	Pontprennau and Old St Mellons	51.539617	-3.123191	322199	182900	ST221829
CF3 9YL	Pontprennau and Old St Mellons	51.524442	-3.112496	322915	181201	ST229812
CF3 9YN	Pontprennau and Old St Mellons	51.527169	-3.108468	323199	181500	ST231815
CF3 9YP	Pontprennau and Old St Mellons	51.527169	-3.108468	323199	181500	ST231815
CF3 9YQ	Pontprennau and Old St Mellons	51.546586	-3.146437	320599	183700	ST205837
CF3 9YR	Llanrumney	51.520767	-3.119844	322399	180800	ST223808
CF3 9YS	Llanrumney	51.524376	-3.118491	322499	181200	ST224812
CF3 9YT	Pontprennau and Old St Mellons	51.526215	-3.114211	322799	181400	ST227814
CF3 9YU	Pontprennau and Old St Mellons	51.527128	-3.112792	322899	181500	ST228815
CF3 9YW	Llanrumney	51.51883	-3.13421	321399	180600	ST213806
CF3 9YX	Pontprennau and Old St Mellons	51.528041	-3.111373	322999	181600	ST229816
CF3 9YY	Pontprennau and Old St Mellons	51.54064	-3.110238	323099	183000	ST230830
CF30 0AA	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AB	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AD	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AE	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AF	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AG	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AH	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AJ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AL	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AN	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AP	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AQ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AR	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AS	Llanrumney	51.519627	-3.119571	322416	180673	ST224806
CF30 0AT	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AU	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AW	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AX	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AY	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0AZ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BA	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BB	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BD	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BE	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BF	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BG	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BH	Llanrumney	51.519627	-3.119571	322416	180673	ST224806
CF30 0BJ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BL	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BN	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BP	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BQ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BR	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BS	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BT	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BU	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BW	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BX	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BY	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0BZ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF30 0DA	Llanrumney	51.519627	-3.119571	322416	180673	ST224806

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