Postcodes in Cardiff page 139 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 9DU	Llanrumney	51.513506	-3.126872	321899	180000	ST218800
CF3 9DW	Llanrumney	51.514405	-3.126894	321899	180100	ST218801
CF3 9DX	Llanrumney	51.516217	-3.125497	321999	180300	ST219803
CF3 9DY	Llanrumney	51.517129	-3.124079	322099	180400	ST220804
CF3 9DZ	Llanrumney	51.513492	-3.128313	321799	180000	ST217800
CF3 9EA	Llanrumney	51.514405	-3.126894	321899	180100	ST218801
CF3 9EB	Llanrumney	51.51623	-3.124056	322099	180300	ST220803
CF3 9ED	Llanrumney	51.518941	-3.122682	322199	180600	ST221806
CF3 9EE	Llanrumney	51.51623	-3.124056	322099	180300	ST220803
CF3 9EF	Llanrumney	51.517143	-3.122638	322199	180400	ST221804
CF3 9EG	Llanrumney	51.516244	-3.122615	322199	180300	ST221803
CF3 9EH	Llanrumney	51.51529	-3.128357	321799	180200	ST217802
CF3 9EJ	Llanrumney	51.516203	-3.126938	321899	180300	ST218803
CF3 9EL	Llanrumney	51.515304	-3.126916	321899	180200	ST218802
CF3 9EN	Llanrumney	51.514405	-3.126894	321899	180100	ST218801
CF3 9EP	Llanrumney	51.51352	-3.125431	321999	180000	ST219800
CF3 9EQ	Llanrumney	51.514419	-3.125453	321999	180100	ST219801
CF3 9ER	Llanrumney	51.517129	-3.124079	322099	180400	ST220804
CF3 9ES	Llanrumney	51.516217	-3.125497	321999	180300	ST219803
CF3 9ET	Llanrumney	51.516217	-3.125497	321999	180300	ST219803
CF3 9EW	Llanrumney	51.513506	-3.126872	321899	180000	ST218800
CF3 9EX	Pontprennau and Old St Mellons	51.529839	-3.111416	322999	181800	ST229818
CF3 9EY	Pontprennau and Old St Mellons	51.529852	-3.109975	323099	181800	ST230818
CF3 9EZ	Pontprennau and Old St Mellons	51.529852	-3.109975	323099	181800	ST230818
CF3 9FX	Pontprennau and Old St Mellons	51.529852	-3.109975	323099	181800	ST230818
CF3 9HA	Llanrumney	51.517102	-3.12696	321899	180400	ST218804
CF3 9HB	Llanrumney	51.517074	-3.129842	321699	180400	ST216804
CF3 9HD	Llanrumney	51.51529	-3.128357	321799	180200	ST217802
CF3 9HE	Llanrumney	51.517102	-3.12696	321899	180400	ST218804
CF3 9HF	Llanrumney	51.517074	-3.129842	321699	180400	ST216804
CF3 9HG	Llanrumney	51.517129	-3.124079	322099	180400	ST220804
CF3 9HH	Llanrumney	51.518001	-3.126983	321899	180500	ST218805
CF3 9HJ	Llanrumney	51.5189	-3.127005	321899	180600	ST218806
CF3 9HL	Llanrumney	51.518927	-3.124123	322099	180600	ST220806
CF3 9HN	Llanrumney	51.518028	-3.124101	322099	180500	ST220805
CF3 9HP	Llanrumney	51.518042	-3.12266	322199	180500	ST221805
CF3 9HQ	Llanrumney	51.518941	-3.122682	322199	180600	ST221806
CF3 9HR	Llanrumney	51.518913	-3.125564	321999	180600	ST219806
CF3 9HS	Llanrumney	51.519812	-3.125586	321999	180700	ST219807
CF3 9HT	Llanrumney	51.521583	-3.128512	321799	180900	ST217809
CF3 9HU	Llanrumney	51.51984	-3.122704	322199	180700	ST221807
CF3 9HW	Llanrumney	51.519812	-3.125586	321999	180700	ST219807
CF3 9HX	Llanrumney	51.51984	-3.122704	322199	180700	ST221807
CF3 9HY	Llanrumney	51.51984	-3.122704	322199	180700	ST221807
CF3 9HZ	Llanrumney	51.517102	-3.12696	321899	180400	ST218804
CF3 9JA	Llanrumney	51.517945	-3.132746	321499	180500	ST214805
CF3 9JB	Llanrumney	51.516147	-3.132702	321499	180300	ST214803
CF3 9JD	Llanrumney	51.51883	-3.13421	321399	180600	ST213806
CF3 9JE	Llanrumney	51.519743	-3.132791	321499	180700	ST214807
CF3 9JF	Llanrumney	51.523353	-3.131439	321599	181100	ST215811
CF3 9JG	Llanrumney	51.524266	-3.13002	321699	181200	ST216812
CF3 9JH	Llanrumney	51.517945	-3.132746	321499	180500	ST214805
CF3 9JJ	Llanrumney	51.521569	-3.129953	321699	180900	ST216809
CF3 9JL	Llanrumney	51.51161	-3.136913	321199	179800	ST211798
CF3 9JN	Llanrumney	51.516105	-3.137025	321199	180300	ST211803
CF3 9JP	Llanrumney	51.517018	-3.135606	321299	180400	ST212804
CF3 9JQ	Llanrumney	51.516119	-3.135584	321299	180300	ST212803
CF3 9JR	Llanrumney	51.517018	-3.135606	321299	180400	ST212804
CF3 9JS	Llanrumney	51.51883	-3.13421	321399	180600	ST213806
CF3 9JT	Llanrumney	51.521541	-3.132836	321499	180900	ST214809
CF3 9JU	Llanrumney	51.522454	-3.131417	321599	181000	ST215810
CF3 9JW	Llanrumney	51.524266	-3.13002	321699	181200	ST216812
CF3 9JX	Llanrumney	51.523353	-3.131439	321599	181100	ST215811
CF3 9JY	Llanrumney	51.523353	-3.131439	321599	181100	ST215811
CF3 9JZ	Llanrumney	51.524266	-3.13002	321699	181200	ST216812
CF3 9LA	Llanrumney	51.524266	-3.13002	321699	181200	ST216812
CF3 9LB	Llanrumney	51.522495	-3.127094	321899	181000	ST218810
CF3 9LD	Llanrumney	51.524266	-3.13002	321699	181200	ST216812
CF3 9LE	Llanrumney	51.520725	-3.124167	322099	180800	ST220808
CF3 9LH	Llanrumney	51.51984	-3.122704	322199	180700	ST221807
CF3 9LJ	Llanrumney	51.51984	-3.122704	322199	180700	ST221807
CF3 9LL	Llanrumney	51.522523	-3.124211	322099	181000	ST220810
CF3 9LN	Llanrumney	51.524321	-3.124256	322099	181200	ST220812
CF3 9LP	Llanrumney	51.520739	-3.122726	322199	180800	ST221808
CF3 9LQ	Llanrumney	51.520725	-3.124167	322099	180800	ST220808
CF3 9LR	Llanrumney	51.520725	-3.124167	322099	180800	ST220808
CF3 9LS	Llanrumney	51.52161	-3.12563	321999	180900	ST219809
CF3 9LT	Llanrumney	51.52161	-3.12563	321999	180900	ST219809
CF3 9LU	Llanrumney	51.522509	-3.125652	321999	181000	ST219810
CF3 9LW	Llanrumney	51.523422	-3.124233	322099	181100	ST220811
CF3 9LX	Llanrumney	51.523367	-3.129998	321699	181100	ST216811
CF3 9LY	Llanrumney	51.523381	-3.128557	321799	181100	ST217811
CF3 9LZ	Llanrumney	51.524321	-3.124256	322099	181200	ST220812
CF3 9NA	Llanrumney	51.51984	-3.122704	322199	180700	ST221807
CF3 9NB	Llanrumney	51.51984	-3.122704	322199	180700	ST221807
CF3 9ND	Llanrumney	51.522468	-3.129976	321699	181000	ST216810
CF3 9NE	Llanrumney	51.522482	-3.128535	321799	181000	ST217810
CF3 9NF	Llanrumney	51.523381	-3.128557	321799	181100	ST217811
CF3 9NG	Llanrumney	51.522482	-3.128535	321799	181000	ST217810
CF3 9NH	Llanrumney	51.524279	-3.128579	321799	181200	ST217812
CF3 9NJ	Llanrumney	51.526962	-3.130087	321699	181500	ST216815
CF3 9NL	Llanrumney	51.522482	-3.128535	321799	181000	ST217810
CF3 9NN	Llanrumney	51.524307	-3.125697	321999	181200	ST219812
CF3 9NP	Llanrumney	51.525178	-3.128601	321799	181300	ST217813
CF3 9NQ	Llanrumney	51.523381	-3.128557	321799	181100	ST217811
CF3 9NR	Llanrumney	51.524279	-3.128579	321799	181200	ST217812
CF3 9NS	Llanrumney	51.524279	-3.128579	321799	181200	ST217812
CF3 9NT	Llanrumney	51.524279	-3.128579	321799	181200	ST217812
CF3 9NU	Llanrumney	51.525178	-3.128601	321799	181300	ST217813
CF3 9NW	Llanrumney	51.525178	-3.128601	321799	181300	ST217813

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