Postcodes in Cardiff page 127 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 1TJ	Trowbridge	51.515544	-3.107349	323257	180206	ST232802
CF3 1TL	Trowbridge	51.516111	-3.106354	323327	180268	ST233802
CF3 1TN	Trowbridge	51.516396	-3.110526	323038	180304	ST230803
CF3 1UE	Trowbridge	51.521142	-3.112559	322905	180834	ST229808
CF3 1UF	Rumney	51.519762	-3.114846	322744	180683	ST227806
CF3 1UG	Rumney	51.520361	-3.11427	322785	180749	ST227807
CF3 1UJ	Rumney	51.521246	-3.114825	322748	180848	ST227808
CF3 1UL	Rumney	51.520454	-3.113047	322870	180758	ST228807
CF3 1US	Trowbridge	51.516392	-3.106116	323344	180299	ST233802
CF3 1UT	Trowbridge	51.515052	-3.103273	323539	180147	ST235801
CF3 1XA	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 1XH	Rumney	51.504256	-3.119092	322423	178963	ST224789
CF3 1XQ	Rumney	51.517633	-3.114708	322750	180446	ST227804
CF3 1XX	Trowbridge	51.516478	-3.110413	323046	180313	ST230803
CF3 1XY	Trowbridge	51.514895	-3.093139	324242	180119	ST242801
CF3 1XZ	Trowbridge	51.513325	-3.10999	323070	179962	ST230799
CF3 1YA	Rumney	51.504596	-3.118308	322478	179000	ST224790
CF3 1YB	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 1YD	Rumney	51.505388	-3.117261	322552	179087	ST225790
CF3 1YE	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 1YF	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 1YH	Trowbridge	51.517811	-3.108212	323201	180459	ST232804
CF3 1YL	Trowbridge	51.517954	-3.108316	323194	180475	ST231804
CF3 1YQ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 1YU	Trowbridge	51.517811	-3.108212	323201	180459	ST232804
CF3 2AA	Trowbridge	51.530619	-3.090589	324445	181865	ST244818
CF3 2AB	Trowbridge	51.531173	-3.090962	324420	181927	ST244819
CF3 2AD	Trowbridge	51.530922	-3.091893	324355	181900	ST243819
CF3 2AE	Trowbridge	51.53128	-3.093026	324277	181941	ST242819
CF3 2AF	Trowbridge	51.530033	-3.090719	324435	181800	ST244818
CF3 2AG	Trowbridge	51.503797	-3.116286	322617	178909	ST226789
CF3 2ED	Rumney	51.504884	-3.120174	322349	179034	ST223790
CF3 2EE	Trowbridge	51.504834	-3.095938	324031	179003	ST240790
CF3 2EF	Trowbridge	51.507362	-3.099644	323778	179288	ST237792
CF3 2EH	Rumney	51.49702	-3.111266	322954	178150	ST229781
CF3 2EJ	Trowbridge	51.500547	-3.09765	323905	178528	ST239785
CF3 2EN	Rumney	51.504505	-3.120366	322335	178992	ST223789
CF3 2EP	Rumney	51.500098	-3.123269	322126	178505	ST221785
CF3 2EQ	Rumney	51.501424	-3.122783	322162	178652	ST221786
CF3 2ER	Trowbridge	51.508316	-3.095777	324048	179390	ST240793
CF3 2ES	Trowbridge	51.502247	-3.117631	322521	178738	ST225787
CF3 2ET	Rumney	51.500658	-3.123917	322082	178568	ST220785
CF3 2EU	Trowbridge	51.50966	-3.098143	323886	179542	ST238795
CF3 2EW	Trowbridge	51.501043	-3.115657	322656	178602	ST226786
CF3 2EX	Rumney	51.500202	-3.118013	322491	178511	ST224785
CF3 2EY	Rumney	51.499519	-3.119884	322360	178437	ST223784
CF3 2GA	Trowbridge	51.501211	-3.117851	322504	178623	ST225786
CF3 2GB	Trowbridge	51.507341	-3.102886	323553	179289	ST235792
CF3 2GH	Trowbridge	51.507164	-3.102608	323572	179269	ST235792
CF3 2GJ	Trowbridge	51.503281	-3.109127	323113	178844	ST231788
CF3 2HP	Rumney	51.498697	-3.124027	322071	178350	ST220783
CF3 2PU	Trowbridge	51.503781	-3.113289	322825	178904	ST228789
CF3 2PW	Trowbridge	51.505238	-3.110414	323027	179063	ST230790
CF3 2PX	Trowbridge	51.501893	-3.114165	322761	178695	ST227786
CF3 2PY	Trowbridge	51.501418	-3.112136	322901	178640	ST229786
CF3 2PZ	Trowbridge	51.504329	-3.113316	322824	178965	ST228789
CF3 2UZ	Trowbridge	51.533162	-3.090794	324435	182148	ST244821
CF3 2WJ	Trowbridge	51.532768	-3.09547	324110	182109	ST241821
CF3 2WL	Trowbridge	51.534614	-3.094159	324204	182313	ST242823
CF3 2WY	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2WZ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2XH	Rumney	51.503844	-3.119889	322367	178918	ST223789
CF3 2XL	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2YA	Rumney	51.504718	-3.118686	322452	179014	ST224790
CF3 2YB	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2YD	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2YE	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2YH	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2YN	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2YR	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2YT	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2YU	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2ZF	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2ZQ	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2ZR	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2ZS	Llanrumney	51.519627	-3.119571	322416	180673	ST224806
CF3 2ZT	Llanrumney	51.519636	-3.119571	322416	180674	ST224806
CF3 2ZZ	Trowbridge	51.502015	-3.117381	322538	178712	ST225787
CF3 3AA	Rumney	51.501311	-3.137347	321151	178655	ST211786
CF3 3AB	Rumney	51.501456	-3.135319	321292	178669	ST212786
CF3 3AD	Rumney	51.50168	-3.131723	321542	178690	ST215786
CF3 3AE	Rumney	51.502115	-3.128592	321760	178735	ST217787
CF3 3AF	Rumney	51.50244	-3.1368	321191	178780	ST211787
CF3 3AG	Rumney	51.503679	-3.135087	321312	178916	ST213789
CF3 3AH	Rumney	51.502308	-3.134649	321340	178763	ST213787
CF3 3AJ	Rumney	51.503427	-3.137041	321176	178890	ST211788
CF3 3AL	Rumney	51.502403	-3.135992	321247	178775	ST212787
CF3 3AN	Rumney	51.503378	-3.134618	321344	178882	ST213788
CF3 3AP	Rumney	51.502493	-3.133198	321441	178782	ST214787
CF3 3AQ	Rumney	51.502832	-3.131593	321553	178818	ST215788
CF3 3AR	Rumney	51.502364	-3.129809	321676	178764	ST216787
CF3 3AS	Rumney	51.50263	-3.130147	321653	178794	ST216787
CF3 3AT	Rumney	51.502631	-3.129153	321722	178793	ST217787
CF3 3AU	Rumney	51.501266	-3.128903	321737	178641	ST217786
CF3 3AW	Rumney	51.510044	-3.121209	322286	179609	ST222796
CF3 3AX	Rumney	51.511971	-3.125638	321982	179828	ST219798
CF3 3AY	Rumney	51.507246	-3.119555	322396	179296	ST223792
CF3 3AZ	Rumney	51.502865	-3.122588	322178	178812	ST221788
CF3 3BA	Rumney	51.504966	-3.133116	321451	179057	ST214790
CF3 3BB	Rumney	51.505974	-3.131152	321589	179167	ST215791

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