Caernarfon postcodes (2024)

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There are 442 postcodes in the built up area of Caernarfon. The area contains approximately 4,193 households with a population of about 9,459 (2011 census)

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Active postcode

Postcode no longer in use

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This table shows the first postcodes in the built up area, download the CSV file to get all the postcodes.

Postcode	Latitude	Longitude	Easting	Northing	Grid reference	Active?
LL54 5WA	53.140304	-4.248171	249718	362712	SH497627	No
LL54 5WD	53.140304	-4.248171	249718	362712	SH497627	No
LL54 5WE	53.140304	-4.248171	249718	362712	SH497627	No
LL54 5ZB	53.140304	-4.248171	249718	362712	SH497627	No
LL54 5ZF	53.140304	-4.248171	249718	362712	SH497627	No
LL54 6ZA	53.140304	-4.248171	249718	362712	SH497627	No
LL54 6ZH	53.140294	-4.248185	249717	362711	SH497627	No
LL54 6ZU	53.140304	-4.248171	249718	362712	SH497627	No
LL54 6ZY	53.140304	-4.248171	249718	362712	SH497627	No
LL54 7ZA	53.140304	-4.248171	249718	362712	SH497627	No
LL54 7ZB	53.140304	-4.248171	249718	362712	SH497627	No
LL54 7ZG	53.140304	-4.248171	249718	362712	SH497627	No
LL54 7ZN	53.140294	-4.248185	249717	362711	SH497627	No
LL54 7ZS	53.140304	-4.248171	249718	362712	SH497627	No
LL55 1AA	53.142421	-4.273971	248000	363002	SH479630	No
LL55 1AB	53.140123	-4.274223	247975	362747	SH479627	Yes
LL55 1AD	53.139726	-4.273828	248000	362702	SH479627	No
LL55 1AE	53.141194	-4.27419	247981	362866	SH479628	No
LL55 1AF	53.14063	-4.27407	247987	362803	SH479628	Yes
LL55 1AG	53.140787	-4.274811	247938	362822	SH479628	Yes
LL55 1AH	53.140888	-4.274697	247946	362833	SH479628	No
LL55 1AL	53.140943	-4.274595	247953	362839	SH479628	No
LL55 1AN	53.141013	-4.274225	247978	362846	SH479628	Yes
LL55 1AP	53.141374	-4.274185	247982	362886	SH479628	No
LL55 1AR	53.142664	-4.273954	248002	363029	SH480630	Yes
LL55 1AS	53.141096	-4.273647	248017	362854	SH480628	Yes
LL55 1AT	53.141365	-4.274184	247982	362885	SH479628	Yes
LL55 1AU	53.141523	-4.273923	248000	362902	SH479629	No
LL55 1AW	53.141543	-4.274268	247977	362905	SH479629	No
LL55 1AY	53.142508	-4.272704	248085	363009	SH480630	Yes
LL55 1BA	53.14433	-4.271006	248205	363208	SH482632	Yes
LL55 1BB	53.14501	-4.269771	248290	363281	SH482632	Yes
LL55 1BD	53.145258	-4.269933	248280	363309	SH482633	Yes
LL55 1BE	53.147082	-4.268579	248377	363509	SH483635	Yes
LL55 1BF	53.145285	-4.268051	248406	363308	SH484633	Yes
LL55 1BG	53.146935	-4.267315	248461	363490	SH484634	Yes
LL55 1BH	53.146401	-4.267526	248445	363431	SH484634	Yes
LL55 1BL	53.148585	-4.267073	248483	363673	SH484636	Yes
LL55 1BN	53.141897	-4.272238	248114	362940	SH481629	Yes
LL55 1BP	53.142355	-4.267522	248431	362981	SH484629	Yes
LL55 1BS	53.142284	-4.266083	248527	362970	SH485629	Yes
LL55 1BT	53.142411	-4.264565	248629	362981	SH486629	Yes
LL55 1BU	53.142412	-4.263129	248725	362978	SH487629	Yes
LL55 1BW	53.141301	-4.273298	248041	362876	SH480628	Yes
LL55 1BY	53.142983	-4.262412	248775	363040	SH487630	Yes
LL55 1BZ	53.142531	-4.275292	247912	363017	SH479630	Yes
LL55 1DA	53.143755	-4.263424	248710	363128	SH487631	Yes
LL55 1DB	53.142599	-4.262242	248785	362997	SH487629	Yes
LL55 1DD	53.142579	-4.261433	248839	362993	SH488629	Yes
LL55 1DE	53.142039	-4.262407	248772	362935	SH487629	Yes
LL55 1DF	53.141614	-4.259693	248952	362882	SH489628	Yes
LL55 1DG	53.14288	-4.260268	248918	363024	SH489630	Yes
LL55 1DH	53.143113	-4.260295	248917	363050	SH489630	Yes
LL55 1DJ	53.146115	-4.261754	248830	363387	SH488633	Yes
LL55 1DL	53.145033	-4.259544	248974	363262	SH489632	Yes
LL55 1DN	53.143633	-4.261773	248820	363111	SH488631	Yes
LL55 1DP	53.145722	-4.260208	248932	363340	SH489633	Yes
LL55 1DQ	53.14567	-4.262478	248780	363339	SH487633	Yes
LL55 1DR	53.144145	-4.261351	248850	363167	SH488631	Yes
LL55 1DS	53.145563	-4.260992	248879	363324	SH488633	Yes
LL55 1DT	53.146553	-4.259549	248979	363431	SH489634	Yes
LL55 1DU	53.147653	-4.258395	249060	363551	SH490635	Yes
LL55 1DW	53.145753	-4.257622	249105	363338	SH491633	Yes
LL55 1DY	53.148399	-4.256535	249187	363630	SH491636	Yes
LL55 1EA	53.147617	-4.255582	249248	363541	SH492635	Yes
LL55 1EB	53.146722	-4.259647	248973	363450	SH489634	Yes
LL55 1ED	53.146259	-4.257978	249083	363395	SH490633	Yes
LL55 1EE	53.142367	-4.261228	248852	362969	SH488629	Yes
LL55 1EF	53.145897	-4.256209	249200	363351	SH491633	Yes
LL55 1EG	53.143926	-4.270955	248207	363163	SH482631	Yes
LL55 1EH	53.143924	-4.270566	248233	363162	SH482631	Yes
LL55 1EL	53.14437	-4.269378	248314	363209	SH483632	Yes
LL55 1EN	53.1486	-4.264412	248661	363669	SH486636	Yes
LL55 1EP	53.140979	-4.273192	248047	362840	SH480628	Yes
LL55 1ER	53.145343	-4.268787	248357	363316	SH483633	No
LL55 1ES	53.14523	-4.268138	248400	363302	SH483633	No
LL55 1ET	53.144273	-4.268296	248386	363196	SH483631	Yes
LL55 1EU	53.142925	-4.267792	248415	363045	SH484630	Yes
LL55 1EW	53.142421	-4.273971	248000	363002	SH479630	No
LL55 1EY	53.144158	-4.266346	248516	363179	SH485631	Yes
LL55 1HA	53.143421	-4.267265	248452	363099	SH484630	Yes
LL55 1HB	53.144116	-4.265716	248558	363173	SH485631	Yes
LL55 1HD	53.144226	-4.265139	248597	363184	SH485631	Yes
LL55 1HE	53.14345	-4.265247	248587	363098	SH485630	Yes
LL55 1HF	53.143928	-4.264256	248655	363149	SH486631	Yes
LL55 1HG	53.143914	-4.264988	248606	363149	SH486631	Yes
LL55 1HH	53.145039	-4.263043	248740	363270	SH487632	Yes
LL55 1HJ	53.145988	-4.265605	248572	363381	SH485633	Yes
LL55 1HL	53.144545	-4.264408	248647	363218	SH486632	Yes
LL55 1HN	53.145286	-4.26515	248600	363302	SH485633	No
LL55 1HP	53.1454	-4.265335	248588	363315	SH485633	Yes
LL55 1HR	53.146185	-4.265197	248600	363402	SH485634	No
LL55 1HS	53.147067	-4.264675	248638	363499	SH486634	Yes
LL55 1HT	53.146584	-4.2645	248648	363445	SH486634	Yes
LL55 1HU	53.146262	-4.266308	248526	363413	SH485634	Yes
LL55 1HW	53.14589	-4.264135	248670	363367	SH486633	Yes
LL55 1HY	53.144981	-4.267481	248443	363273	SH484632	Yes
LL55 1LA	53.145343	-4.268787	248357	363316	SH483633	Yes
LL55 1LB	53.144331	-4.26809	248400	363202	SH483632	No
LL55 1LE	53.148868	-4.265473	248591	363701	SH485637	Yes
LL55 1LF	53.150598	-4.263351	248739	363889	SH487638	Yes
LL55 1LH	53.142421	-4.273971	248000	363002	SH479630	No
LL55 1LL	53.149534	-4.262083	248820	363768	SH488637	Yes
LL55 1LN	53.149942	-4.265709	248579	363821	SH485638	Yes
LL55 1LR	53.152623	-4.260914	248909	364109	SH489641	Yes
LL55 1LS	53.154239	-4.25913	249034	364285	SH490642	Yes
LL55 1LW	53.151574	-4.263566	248728	363998	SH487639	Yes
LL55 1NA	53.140217	-4.268397	248365	362745	SH483627	Yes
LL55 1NB	53.140746	-4.267991	248394	362803	SH483628	Yes
LL55 1ND	53.140247	-4.269176	248313	362750	SH483627	Yes
LL55 1NE	53.139998	-4.269013	248323	362722	SH483627	Yes
LL55 1NF	53.139783	-4.270841	248200	362702	SH481627	No
LL55 1NG	53.139783	-4.270841	248200	362702	SH481627	No
LL55 1NH	53.139726	-4.273828	248000	362702	SH479627	No
LL55 1NL	53.138857	-4.272287	248100	362602	SH480626	No
LL55 1NN	53.140096	-4.27328	248038	362742	SH480627	Yes
LL55 1NP	53.139752	-4.272977	248057	362703	SH480627	Yes
LL55 1NR	53.142421	-4.273971	248000	363002	SH479630	No
LL55 1NS	53.14051	-4.272793	248072	362787	SH480627	Yes
LL55 1NT	53.140596	-4.27537	247900	362802	SH478628	No
LL55 1NU	53.140567	-4.276863	247800	362802	SH477628	No
LL55 1NW	53.140277	-4.272796	248071	362761	SH480627	Yes
LL55 1NY	53.142421	-4.273971	248000	363002	SH479630	No
LL55 1PA	53.141053	-4.270728	248212	362843	SH482628	Yes
LL55 1PB	53.141352	-4.270625	248220	362876	SH482628	Yes
LL55 1PD	53.14158	-4.270936	248200	362902	SH481629	No
LL55 1PE	53.141531	-4.271128	248187	362897	SH481628	Yes
LL55 1PF	53.142228	-4.269953	248268	362972	SH482629	Yes
LL55 1PG	53.142253	-4.268624	248357	362972	SH483629	Yes
LL55 1PH	53.142062	-4.269227	248316	362952	SH483629	Yes
LL55 1PL	53.141791	-4.269736	248281	362923	SH482629	Yes
LL55 1PN	53.141435	-4.269074	248324	362882	SH483628	Yes
LL55 1PP	53.14082	-4.273034	248057	362822	SH480628	Yes
LL55 1PR	53.140935	-4.273653	248016	362836	SH480628	Yes
LL55 1PS	53.14308	-4.25968	248958	363045	SH489630	Yes
LL55 1PT	53.140762	-4.269951	248263	362809	SH482628	Yes
LL55 1PU	53.143061	-4.258274	249052	363040	SH490630	Yes
LL55 1PW	53.141326	-4.268709	248348	362869	SH483628	Yes
LL55 1QL	53.140749	-4.272088	248120	362812	SH481628	No
LL55 1RB	53.139976	-4.274858	247932	362732	SH479627	Yes
LL55 1RD	53.140428	-4.274748	247941	362782	SH479627	No
LL55 1RF	53.140224	-4.275529	247888	362761	SH478627	Yes
LL55 1RG	53.141077	-4.275589	247887	362856	SH478628	Yes
LL55 1RH	53.140838	-4.275861	247868	362830	SH478628	Yes
LL55 1RL	53.140567	-4.276863	247800	362802	SH477628	No
LL55 1RN	53.140636	-4.277525	247756	362811	SH477628	Yes
LL55 1RP	53.139669	-4.276816	247800	362702	SH477627	No
LL55 1RR	53.140268	-4.276085	247851	362767	SH478627	Yes
LL55 1RS	53.143974	-4.259009	249006	363143	SH490631	Yes
LL55 1RT	53.141278	-4.276871	247802	362881	SH478628	Yes
LL55 1RU	53.141652	-4.276577	247823	362922	SH478629	Yes
LL55 1RW	53.14101	-4.27581	247872	362849	SH478628	Yes
LL55 1RY	53.141012	-4.273388	248034	362844	SH480628	No
LL55 1SA	53.141737	-4.27682	247807	362932	SH478629	Yes
LL55 1SB	53.148007	-4.255393	249262	363584	SH492635	No
LL55 1SD	53.139641	-4.278309	247700	362702	SH476627	No
LL55 1SE	53.140459	-4.276902	247797	362790	SH477627	Yes
LL55 1SF	53.139641	-4.278309	247700	362702	SH476627	No
LL55 1SG	53.139694	-4.278357	247697	362708	SH476627	Yes
LL55 1SH	53.140255	-4.277206	247776	362768	SH477627	Yes
LL55 1SL	53.139786	-4.277779	247736	362717	SH477627	No
LL55 1SN	53.140641	-4.278183	247712	362813	SH477628	Yes
LL55 1SP	53.141466	-4.277344	247771	362903	SH477629	Yes
LL55 1SQ	53.143478	-4.275088	247929	363122	SH479631	Yes
LL55 1SR	53.142158	-4.277859	247739	362981	SH477629	Yes
LL55 1SS	53.142052	-4.276792	247810	362967	SH478629	Yes
LL55 1ST	53.141377	-4.274962	247930	362888	SH479628	Yes
LL55 1SU	53.141593	-4.275422	247900	362913	SH478629	Yes
LL55 1SW	53.141181	-4.277673	247748	362872	SH477628	Yes
LL55 1SY	53.141887	-4.274615	247955	362944	SH479629	Yes
LL55 1SZ	53.141274	-4.274688	247948	362876	SH479628	No
LL55 1TA	53.141828	-4.275823	247874	362940	SH478629	Yes
LL55 1TB	53.142328	-4.274579	247959	362993	SH479629	Yes
LL55 1TD	53.14268	-4.274553	247962	363032	SH479630	Yes
LL55 1TE	53.143291	-4.275512	247900	363102	SH478631	No
LL55 1TF	53.143291	-4.275512	247900	363102	SH478631	No
LL55 1TG	53.142503	-4.275336	247909	363014	SH479630	No
LL55 1TH	53.14455	-4.275025	247937	363241	SH479632	Yes
LL55 1TL	53.140607	-4.274802	247938	362802	SH479628	No
LL55 1TR	53.164548	-4.248855	249757	365410	SH497654	No
LL55 1TS	53.165941	-4.244125	250078	365555	SH500655	Yes
LL55 1ZA	53.140294	-4.248185	249717	362711	SH497627	No
LL55 1ZB	53.140304	-4.248171	249718	362712	SH497627	No
LL55 1ZD	53.148217	-4.255703	249242	363608	SH492636	No
LL55 1ZE	53.140304	-4.248171	249718	362712	SH497627	No
LL55 1ZF	53.148217	-4.255703	249242	363608	SH492636	No
LL55 1ZG	53.140304	-4.248171	249718	362712	SH497627	No
LL55 1ZH	53.140255	-4.277206	247776	362768	SH477627	Yes
LL55 1ZP	53.140304	-4.248171	249718	362712	SH497627	No
LL55 1ZU	53.140304	-4.248171	249718	362712	SH497627	No
LL55 2AA	53.139461	-4.27362	248013	362672	SH480626	No
LL55 2AB	53.139445	-4.272543	248085	362668	SH480626	Yes
LL55 2AD	53.139601	-4.272865	248064	362686	SH480626	Yes
LL55 2AE	53.13918	-4.271347	248164	362636	SH481626	Yes
LL55 2AF	53.138903	-4.271288	248167	362605	SH481626	Yes
LL55 2AG	53.132365	-4.261928	248770	361858	SH487618	Yes
LL55 2AL	53.139421	-4.27148	248156	362663	SH481626	Yes
LL55 2AP	53.139459	-4.269463	248291	362663	SH482626	Yes
LL55 2AR	53.139926	-4.268561	248353	362713	SH483627	Yes
LL55 2AS	53.139438	-4.272452	248091	362667	SH480626	Yes