Postcodes in Cardiff page 138 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 8SW	Trowbridge	51.515483	-3.108184	323199	180200	ST231802
CF3 8SX	Trowbridge	51.513671	-3.109581	323099	180000	ST230800
CF3 8SY	Trowbridge	51.51457	-3.109603	323099	180100	ST230801
CF3 8SZ	Trowbridge	51.51551	-3.105302	323399	180200	ST233802
CF3 8TA	Trowbridge	51.513685	-3.10814	323199	180000	ST231800
CF3 8TB	Trowbridge	51.51457	-3.109603	323099	180100	ST230801
CF3 8TD	Trowbridge	51.51551	-3.105302	323399	180200	ST233802
CF3 8TE	Trowbridge	51.515523	-3.103861	323499	180200	ST234802
CF3 8TF	Trowbridge	51.51551	-3.105302	323399	180200	ST233802
CF3 8TG	Trowbridge	51.513725	-3.103818	323499	180000	ST234800
CF3 8UZ	Trowbridge	51.530015	-3.092679	324299	181800	ST242818
CF3 8WA	Trowbridge	51.530015	-3.092679	324299	181800	ST242818
CF3 8XA	Rumney	51.504488	-3.12953	321699	179000	ST216790
CF3 8XD	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8XE	Rumney	51.504488	-3.12953	321699	179000	ST216790
CF3 8XG	Rumney	51.515359	-3.121152	322299	180200	ST222802
CF3 8XH	Rumney	51.503673	-3.120864	322299	178900	ST222789
CF3 8XJ	Rumney	51.500976	-3.120798	322299	178600	ST222786
CF3 8XL	Rumney	51.503673	-3.120864	322299	178900	ST222789
CF3 8XN	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8XP	Rumney	51.501847	-3.123701	322099	178700	ST220787
CF3 8XQ	Rumney	51.517212	-3.115432	322699	180400	ST226804
CF3 8XS	Trowbridge	51.532766	-3.086978	324699	182100	ST246821
CF3 8XT	Pontprennau and Old St Mellons	51.533863	-3.113677	322849	182250	ST228822
CF3 8XW	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8XX	Trowbridge	51.512745	-3.112441	322899	179900	ST228799
CF3 8XY	Trowbridge	51.512745	-3.112441	322899	179900	ST228799
CF3 8XZ	Trowbridge	51.512745	-3.112441	322899	179900	ST228799
CF3 8YA	Rumney	51.505498	-3.118028	322499	179100	ST224791
CF3 8YB	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8YD	Rumney	51.504599	-3.118006	322499	179000	ST224790
CF3 8YE	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8YF	Rumney	51.507282	-3.119512	322399	179300	ST223793
CF3 8YG	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8YH	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YJ	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YL	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8YN	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8YP	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YQ	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8YR	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YS	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YT	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 8YU	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YW	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YX	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YY	Trowbridge	51.517267	-3.109668	323099	180400	ST230804
CF3 8YZ	Rumney	51.513929	-3.113709	322813	180033	ST228800
CF3 9AA	Llanrumney	51.508955	-3.132523	321499	179500	ST214795
CF3 9AB	Llanrumney	51.510711	-3.13689	321199	179700	ST211797
CF3 9AD	Llanrumney	51.511624	-3.135472	321299	179800	ST212798
CF3 9AE	Llanrumney	51.508955	-3.132523	321499	179500	ST214795
CF3 9AF	Llanrumney	51.512523	-3.135494	321299	179900	ST212799
CF3 9AG	Llanrumney	51.514335	-3.134098	321399	180100	ST213801
CF3 9AH	Llanrumney	51.509826	-3.135427	321299	179600	ST212796
CF3 9AJ	Llanrumney	51.508042	-3.133942	321399	179400	ST213794
CF3 9AL	Llanrumney	51.508955	-3.132523	321499	179500	ST214795
CF3 9AN	Llanrumney	51.508927	-3.135405	321299	179500	ST212795
CF3 9AP	Llanrumney	51.508941	-3.133964	321399	179500	ST213795
CF3 9AQ	Llanrumney	51.508029	-3.135383	321299	179400	ST212794
CF3 9AR	Llanrumney	51.508927	-3.135405	321299	179500	ST212795
CF3 9AS	Llanrumney	51.508015	-3.136823	321199	179400	ST211794
CF3 9AT	Llanrumney	51.508015	-3.136823	321199	179400	ST211794
CF3 9AU	Llanrumney	51.507102	-3.138242	321099	179300	ST210793
CF3 9AW	Llanrumney	51.508914	-3.136846	321199	179500	ST211795
CF3 9AX	Llanrumney	51.508914	-3.136846	321199	179500	ST211795
CF3 9AY	Llanrumney	51.508914	-3.136846	321199	179500	ST211795
CF3 9BA	Llanrumney	51.509854	-3.132546	321499	179600	ST214796
CF3 9BB	Llanrumney	51.509854	-3.132546	321499	179600	ST214796
CF3 9BD	Llanrumney	51.509854	-3.132546	321499	179600	ST214796
CF3 9BG	Llanrumney	51.509854	-3.132546	321499	179600	ST214796
CF3 9BH	Llanrumney	51.510739	-3.134009	321399	179700	ST213797
CF3 9BJ	Llanrumney	51.50984	-3.133987	321399	179600	ST213796
CF3 9BL	Llanrumney	51.510739	-3.134009	321399	179700	ST213797
CF3 9BN	Llanrumney	51.509854	-3.132546	321499	179600	ST214796
CF3 9BP	Llanrumney	51.509854	-3.132546	321499	179600	ST214796
CF3 9BQ	Llanrumney	51.511652	-3.13259	321499	179800	ST214798
CF3 9BR	Llanrumney	51.511652	-3.13259	321499	179800	ST214798
CF3 9BS	Llanrumney	51.512537	-3.134054	321399	179900	ST213799
CF3 9BT	Llanrumney	51.511652	-3.13259	321499	179800	ST214798
CF3 9BU	Llanrumney	51.512551	-3.132613	321499	179900	ST214799
CF3 9BW	Llanrumney	51.512551	-3.132613	321499	179900	ST214799
CF3 9BX	Llanrumney	51.515262	-3.131239	321599	180200	ST215802
CF3 9BY	Llanrumney	51.514363	-3.131216	321599	180100	ST215801
CF3 9BZ	Llanrumney	51.514391	-3.128335	321799	180100	ST217801
CF3 9DA	Llanrumney	51.514377	-3.129776	321699	180100	ST216801
CF3 9DB	Llanrumney	51.513464	-3.131194	321599	180000	ST215800
CF3 9DD	Llanrumney	51.514377	-3.129776	321699	180100	ST216801
CF3 9DE	Llanrumney	51.514377	-3.129776	321699	180100	ST216801
CF3 9DF	Llanrumney	51.523353	-3.131439	321599	181100	ST215811
CF3 9DG	Llanrumney	51.523353	-3.131439	321599	181100	ST215811
CF3 9DH	Llanrumney	51.512565	-3.131172	321599	179900	ST215799
CF3 9DJ	Llanrumney	51.52977	-3.118623	322499	181800	ST224818
CF3 9DL	Llanrumney	51.52977	-3.118623	322499	181800	ST224818
CF3 9DN	Llanrumney	51.512565	-3.131172	321599	179900	ST215799
CF3 9DP	Llanrumney	51.513492	-3.128313	321799	180000	ST217800
CF3 9DQ	Llanrumney	51.512565	-3.131172	321599	179900	ST215799
CF3 9DR	Llanrumney	51.513492	-3.128313	321799	180000	ST217800
CF3 9DS	Llanrumney	51.513492	-3.128313	321799	180000	ST217800
CF3 9DT	Llanrumney	51.512607	-3.12685	321899	179900	ST218799

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