Postcodes in Cardiff page 133 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 6AN	Pontprennau and Old St Mellons	51.535436	-3.122223	322259	182434	ST222824
CF3 6AP	Pontprennau and Old St Mellons	51.53644	-3.122608	322234	182546	ST222825
CF3 6AQ	Pontprennau and Old St Mellons	51.535852	-3.122968	322208	182481	ST222824
CF3 6AR	Pontprennau and Old St Mellons	51.536649	-3.12417	322126	182571	ST221825
CF3 6AS	Pontprennau and Old St Mellons	51.535971	-3.12362	322163	182495	ST221824
CF3 6AT	Pontprennau and Old St Mellons	51.534048	-3.122563	322233	182280	ST222822
CF3 6AU	Pontprennau and Old St Mellons	51.534048	-3.122563	322233	182280	ST222822
CF3 6AW	Pontprennau and Old St Mellons	51.533984	-3.121754	322289	182272	ST222822
CF3 6AX	Pontprennau and Old St Mellons	51.533984	-3.121754	322289	182272	ST222822
CF3 6AY	Pontprennau and Old St Mellons	51.532282	-3.126686	321944	182088	ST219820
CF3 6AZ	Pontprennau and Old St Mellons	51.532807	-3.109427	323142	182128	ST231821
CF3 6BA	Pontprennau and Old St Mellons	51.538685	-3.123817	322154	182797	ST221827
CF3 6BB	Pontprennau and Old St Mellons	51.538143	-3.124077	322135	182737	ST221827
CF3 6BD	Pontprennau and Old St Mellons	51.539064	-3.124619	322099	182840	ST220828
CF3 6BF	Pontprennau and Old St Mellons	51.538464	-3.123364	322185	182772	ST221827
CF3 6BG	Pontprennau and Old St Mellons	51.539617	-3.122297	322261	182899	ST222828
CF3 6HX	Pontprennau and Old St Mellons	51.531501	-3.11535	322729	181989	ST227819
CF3 6UY	Pontprennau and Old St Mellons	51.532476	-3.115893	322693	182098	ST226820
CF3 6UZ	Pontprennau and Old St Mellons	51.532623	-3.116502	322651	182115	ST226821
CF3 6WA	Pontprennau and Old St Mellons	51.534498	-3.123483	322170	182331	ST221823
CF3 6WG	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 6WY	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 6XA	Pontprennau and Old St Mellons	51.536875	-3.103326	323572	182574	ST235825
CF3 6XD	Pontprennau and Old St Mellons	51.536238	-3.105978	323387	182506	ST233825
CF3 6XJ	Pontprennau and Old St Mellons	51.535126	-3.11231	322946	182389	ST229823
CF3 6YA	Pontprennau and Old St Mellons	51.532708	-3.123583	322160	182132	ST221821
CF3 6YB	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 6YD	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 6YE	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 6YF	Pontprennau and Old St Mellons	51.535889	-3.124671	322090	182487	ST220824
CF3 6YG	Pontprennau and Old St Mellons	51.536875	-3.125026	322067	182597	ST220825
CF3 6YH	Pontprennau and Old St Mellons	51.538694	-3.125663	322026	182800	ST220828
CF3 6YJ	Pontprennau and Old St Mellons	51.538685	-3.125677	322025	182799	ST220827
CF3 6YL	Pontprennau and Old St Mellons	51.540525	-3.124165	322133	183002	ST221830
CF3 6YN	Pontprennau and Old St Mellons	51.537417	-3.121911	322284	182654	ST222826
CF3 6YP	Pontprennau and Old St Mellons	51.536423	-3.12056	322376	182542	ST223825
CF3 6YQ	Pontprennau and Old St Mellons	51.538622	-3.121047	322346	182787	ST223827
CF3 6YR	Pontprennau and Old St Mellons	51.537974	-3.121088	322342	182715	ST223827
CF3 6YS	Pontprennau and Old St Mellons	51.539153	-3.120021	322418	182845	ST224828
CF3 6YT	Pontprennau and Old St Mellons	51.540054	-3.126417	321976	182952	ST219829
CF3 6YW	Pontprennau and Old St Mellons	51.539728	-3.12005	322417	182909	ST224829
CF3 6YX	Pontprennau and Old St Mellons	51.5399	-3.125534	322037	182934	ST220829
CF3 6YY	Pontprennau and Old St Mellons	51.539463	-3.12522	322058	182885	ST220828
CF3 7AA	Penylan	51.495345	-3.145149	320599	178000	ST205780
CF3 7AB	Penylan	51.497143	-3.145195	320599	178200	ST205782
CF3 7AD	Penylan	51.497157	-3.143754	320699	178200	ST206782
CF3 7AE	Penylan	51.495373	-3.142269	320799	178000	ST207780
CF3 7AF	Penylan	51.498084	-3.140897	320899	178300	ST208783
CF3 7AG	Penylan	51.497072	-3.152396	320099	178200	ST200782
CF3 7AH	Penylan	51.498042	-3.145217	320599	178300	ST205783
CF3 7AJ	Penylan	51.496244	-3.145172	320599	178100	ST205781
CF3 7AL	Penylan	51.496244	-3.145172	320599	178100	ST205781
CF3 7AN	Penylan	51.496244	-3.145172	320599	178100	ST205781
CF3 7AP	Penylan	51.496202	-3.149493	320299	178100	ST202781
CF3 7AQ	Penylan	51.498927	-3.14668	320499	178400	ST204784
CF3 7AR	Penylan	51.498771	-3.162523	319399	178400	ST193784
CF3 7AS	Penylan	51.49703	-3.156717	319799	178200	ST197782
CF3 7AT	Penylan	51.497044	-3.155276	319899	178200	ST198782
CF3 7AU	Penylan	51.497044	-3.155276	319899	178200	ST198782
CF3 7AW	Penylan	51.497058	-3.153836	319999	178200	ST199782
CF3 7AX	Penylan	51.497915	-3.15818	319699	178300	ST196783
CF3 7AY	Penylan	51.497072	-3.152396	320099	178200	ST200782
CF3 7AZ	Penylan	51.497943	-3.155299	319899	178300	ST198783
CF3 7BA	Penylan	51.498771	-3.162523	319399	178400	ST193784
CF3 7BB	Penylan	51.498799	-3.159643	319599	178400	ST195784
CF3 7BD	Penylan	51.497915	-3.15818	319699	178300	ST196783
CF3 7BE	Penylan	51.497915	-3.15818	319699	178300	ST196783
CF3 7BG	Penylan	51.497915	-3.15818	319699	178300	ST196783
CF3 7BH	Penylan	51.498814	-3.158202	319699	178400	ST196784
CF3 7BJ	Penylan	51.498814	-3.158202	319699	178400	ST196784
CF3 7BL	Penylan	51.500597	-3.159688	319599	178600	ST195786
CF3 7BN	Penylan	51.498785	-3.161083	319499	178400	ST194784
CF3 7BP	Penylan	51.498785	-3.161083	319499	178400	ST194784
CF3 7BQ	Penylan	51.500597	-3.159688	319599	178600	ST195786
CF3 7BR	Penylan	51.500611	-3.158248	319699	178600	ST196786
CF3 7BS	Penylan	51.500611	-3.158248	319699	178600	ST196786
CF3 7BT	Penylan	51.499684	-3.161106	319499	178500	ST194785
CF3 7BU	Penylan	51.500611	-3.158248	319699	178600	ST196786
CF3 7BW	Penylan	51.500611	-3.158248	319699	178600	ST196786
CF3 7BX	Penylan	51.500611	-3.158248	319699	178600	ST196786
CF3 7BY	Penylan	51.500611	-3.158248	319699	178600	ST196786
CF3 7BZ	Penylan	51.500611	-3.158248	319699	178600	ST196786
CF3 7DA	Penylan	51.498828	-3.156762	319799	178400	ST197784
CF3 7DB	Penylan	51.499713	-3.158225	319699	178500	ST196785
CF3 7DD	Penylan	51.497929	-3.156739	319799	178300	ST197783
CF3 7DE	Penylan	51.498828	-3.156762	319799	178400	ST197784
CF3 7DF	Penylan	51.497943	-3.155299	319899	178300	ST198783
CF3 7DG	Penylan	51.498842	-3.155322	319899	178400	ST198784
CF3 7DH	Penylan	51.499741	-3.155345	319899	178500	ST198785
CF3 7DJ	Penylan	51.499741	-3.155345	319899	178500	ST198785
CF3 7DL	Penylan	51.499755	-3.153905	319999	178500	ST199785
CF3 7DN	Penylan	51.502466	-3.152533	320099	178800	ST200788
CF3 7DP	Penylan	51.505163	-3.152601	320099	179100	ST200791
CF3 7DQ	Penylan	51.499741	-3.155345	319899	178500	ST198785
CF3 7DR	Penylan	51.504236	-3.155459	319899	179000	ST198790
CF3 7DS	Penylan	51.504236	-3.155459	319899	179000	ST198790
CF3 7DT	Penylan	51.504236	-3.155459	319899	179000	ST198790
CF3 7DU	Penylan	51.505163	-3.152601	320099	179100	ST200791
CF3 7DW	Penylan	51.505177	-3.151161	320199	179100	ST201791
CF3 7DX	Penylan	51.503294	-3.159757	319599	178900	ST195789

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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
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