Caernarfon postcodes (2024)

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There are 441 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	53.140286	-4.248164	249718	362710	SH497627	No
LL54 5WD	53.140286	-4.248164	249718	362710	SH497627	No
LL54 5WE	53.140286	-4.248164	249718	362710	SH497627	No
LL54 5ZB	53.140286	-4.248164	249718	362710	SH497627	No
LL54 5ZF	53.140286	-4.248164	249718	362710	SH497627	No
LL54 6ZA	53.140286	-4.248164	249718	362710	SH497627	No
LL54 6ZH	53.140277	-4.248179	249717	362709	SH497627	No
LL54 6ZU	53.140286	-4.248164	249718	362710	SH497627	No
LL54 6ZY	53.140286	-4.248164	249718	362710	SH497627	No
LL54 7ZA	53.140286	-4.248164	249718	362710	SH497627	No
LL54 7ZB	53.140286	-4.248164	249718	362710	SH497627	No
LL54 7ZG	53.140286	-4.248164	249718	362710	SH497627	No
LL54 7ZN	53.140277	-4.248179	249717	362709	SH497627	No
LL54 7ZS	53.140286	-4.248164	249718	362710	SH497627	No
LL55 1AA	53.142403	-4.273964	248000	363000	SH479629	No
LL55 1AB	53.140106	-4.274216	247975	362745	SH479627	Yes
LL55 1AD	53.139709	-4.273821	248000	362700	SH480627	No
LL55 1AE	53.141194	-4.27419	247981	362866	SH479628	No
LL55 1AF	53.140612	-4.274064	247987	362801	SH479628	Yes
LL55 1AG	53.140769	-4.274804	247938	362820	SH479628	Yes
LL55 1AH	53.14087	-4.27469	247946	362831	SH479628	No
LL55 1AL	53.140926	-4.274588	247953	362837	SH479628	No
LL55 1AN	53.141022	-4.274226	247978	362847	SH479628	Yes
LL55 1AP	53.141356	-4.274178	247982	362884	SH479628	Yes
LL55 1AR	53.142664	-4.273953	248002	363029	SH480630	Yes
LL55 1AS	53.141555	-4.273656	248018	362905	SH480629	Yes
LL55 1AT	53.141365	-4.274184	247982	362885	SH479628	Yes
LL55 1AU	53.141505	-4.273916	248000	362900	SH480628	No
LL55 1AW	53.141526	-4.274261	247977	362903	SH479629	No
LL55 1AY	53.14249	-4.272697	248085	363007	SH480630	Yes
LL55 1BA	53.144312	-4.270999	248205	363206	SH482632	Yes
LL55 1BB	53.144972	-4.269843	248285	363277	SH482632	Yes
LL55 1BD	53.145241	-4.269927	248280	363307	SH482633	Yes
LL55 1BE	53.147065	-4.268572	248377	363507	SH483635	Yes
LL55 1BF	53.145268	-4.268044	248406	363306	SH484633	Yes
LL55 1BG	53.146918	-4.267308	248461	363488	SH484634	Yes
LL55 1BH	53.146383	-4.267519	248445	363429	SH484634	Yes
LL55 1BL	53.148568	-4.267066	248483	363671	SH484636	Yes
LL55 1BN	53.141879	-4.272231	248114	362938	SH481629	Yes
LL55 1BP	53.142338	-4.267516	248431	362979	SH484629	Yes
LL55 1BS	53.142266	-4.266076	248527	362968	SH485629	Yes
LL55 1BT	53.142414	-4.26443	248638	362981	SH486629	Yes
LL55 1BU	53.142394	-4.263122	248725	362976	SH487629	Yes
LL55 1BW	53.141283	-4.273292	248041	362874	SH480628	Yes
LL55 1BY	53.142965	-4.262405	248775	363038	SH487630	Yes
LL55 1BZ	53.142531	-4.275292	247912	363017	SH479630	Yes
LL55 1DA	53.143737	-4.263417	248710	363126	SH487631	Yes
LL55 1DB	53.142582	-4.262235	248785	362995	SH487629	Yes
LL55 1DD	53.142561	-4.261427	248839	362991	SH488629	Yes
LL55 1DE	53.142021	-4.2624	248772	362933	SH487629	Yes
LL55 1DF	53.141596	-4.259686	248952	362880	SH489628	Yes
LL55 1DG	53.142527	-4.258006	249068	362980	SH490629	Yes
LL55 1DH	53.143095	-4.260288	248917	363048	SH489630	Yes
LL55 1DJ	53.146098	-4.261747	248830	363385	SH488633	Yes
LL55 1DL	53.145016	-4.259537	248974	363260	SH489632	Yes
LL55 1DN	53.143616	-4.261766	248820	363109	SH488631	Yes
LL55 1DP	53.145704	-4.260201	248932	363338	SH489633	Yes
LL55 1DQ	53.14282	-4.259143	248993	363015	SH489630	Yes
LL55 1DR	53.144127	-4.261344	248850	363165	SH488631	Yes
LL55 1DS	53.145546	-4.260985	248879	363322	SH488633	Yes
LL55 1DT	53.146535	-4.259542	248979	363429	SH489634	Yes
LL55 1DU	53.147636	-4.258388	249060	363549	SH490635	Yes
LL55 1DW	53.145736	-4.257616	249105	363336	SH491633	Yes
LL55 1DY	53.148381	-4.256528	249187	363628	SH491636	Yes
LL55 1EA	53.147599	-4.255575	249248	363539	SH492635	Yes
LL55 1EB	53.146704	-4.25964	248973	363448	SH489634	Yes
LL55 1ED	53.146241	-4.257971	249083	363393	SH490633	Yes
LL55 1EE	53.142349	-4.261221	248852	362967	SH488629	Yes
LL55 1EF	53.145879	-4.256203	249200	363349	SH491633	Yes
LL55 1EG	53.143908	-4.270948	248207	363161	SH482631	Yes
LL55 1EH	53.143907	-4.270559	248233	363160	SH482631	Yes
LL55 1EL	53.144352	-4.269371	248314	363207	SH483632	Yes
LL55 1EN	53.148583	-4.264405	248661	363667	SH486636	Yes
LL55 1EP	53.140962	-4.273185	248047	362838	SH480628	Yes
LL55 1ER	53.145325	-4.26878	248357	363314	SH483633	No
LL55 1ES	53.145212	-4.268131	248400	363300	SH483633	No
LL55 1ET	53.144256	-4.26829	248386	363194	SH483631	Yes
LL55 1EU	53.142908	-4.267785	248415	363043	SH484630	Yes
LL55 1EW	53.142403	-4.273964	248000	363000	SH479629	No
LL55 1EY	53.14414	-4.26634	248516	363177	SH485631	Yes
LL55 1HA	53.143403	-4.267258	248452	363097	SH484630	Yes
LL55 1HB	53.144098	-4.265709	248558	363171	SH485631	Yes
LL55 1HD	53.144208	-4.265132	248597	363182	SH485631	Yes
LL55 1HE	53.143433	-4.265241	248587	363096	SH485630	Yes
LL55 1HF	53.14391	-4.264249	248655	363147	SH486631	Yes
LL55 1HG	53.143896	-4.264981	248606	363147	SH486631	Yes
LL55 1HH	53.145021	-4.263036	248740	363268	SH487632	Yes
LL55 1HJ	53.14597	-4.265599	248572	363379	SH485633	Yes
LL55 1HL	53.144528	-4.264401	248647	363216	SH486632	Yes
LL55 1HN	53.145269	-4.265143	248600	363300	SH485633	No
LL55 1HP	53.145382	-4.265328	248588	363313	SH485633	Yes
LL55 1HR	53.146167	-4.26519	248600	363400	SH486633	No
LL55 1HS	53.147049	-4.264668	248638	363497	SH486634	Yes
LL55 1HT	53.146696	-4.264775	248630	363458	SH486634	Yes
LL55 1HU	53.146245	-4.266301	248526	363411	SH485634	Yes
LL55 1HW	53.145873	-4.264128	248670	363365	SH486633	Yes
LL55 1HY	53.144964	-4.267475	248443	363271	SH484632	Yes
LL55 1LA	53.144917	-4.268046	248405	363267	SH484632	Yes
LL55 1LB	53.144314	-4.268083	248400	363200	SH484632	No
LL55 1LE	53.14885	-4.265466	248591	363699	SH485636	Yes
LL55 1LF	53.150581	-4.263344	248739	363887	SH487638	Yes
LL55 1LH	53.142403	-4.273964	248000	363000	SH479629	No
LL55 1LL	53.149517	-4.262076	248820	363766	SH488637	Yes
LL55 1LN	53.149924	-4.265702	248579	363819	SH485638	Yes
LL55 1LR	53.152605	-4.260908	248909	364107	SH489641	Yes
LL55 1LS	53.154239	-4.25913	249034	364285	SH490642	Yes
LL55 1LW	53.151557	-4.26356	248728	363996	SH487639	Yes
LL55 1NA	53.140217	-4.268396	248365	362745	SH483627	Yes
LL55 1NB	53.140728	-4.267984	248394	362801	SH483628	Yes
LL55 1ND	53.140229	-4.269169	248313	362748	SH483627	Yes
LL55 1NE	53.139981	-4.269006	248323	362720	SH483627	Yes
LL55 1NF	53.139766	-4.270834	248200	362700	SH481627	No
LL55 1NG	53.139766	-4.270834	248200	362700	SH481627	No
LL55 1NH	53.139709	-4.273821	248000	362700	SH480627	No
LL55 1NL	53.138839	-4.27228	248100	362600	SH481625	No
LL55 1NN	53.140097	-4.27328	248038	362742	SH480627	Yes
LL55 1NP	53.139752	-4.272977	248057	362703	SH480627	Yes
LL55 1NR	53.142403	-4.273964	248000	363000	SH479629	No
LL55 1NS	53.140493	-4.272786	248072	362785	SH480627	Yes
LL55 1NT	53.140578	-4.275363	247900	362800	SH478627	No
LL55 1NU	53.14055	-4.276856	247800	362800	SH478628	No
LL55 1NW	53.140259	-4.272789	248071	362759	SH480627	Yes
LL55 1NY	53.142403	-4.273964	248000	363000	SH479629	No
LL55 1PA	53.141036	-4.270722	248212	362841	SH482628	Yes
LL55 1PB	53.141334	-4.270618	248220	362874	SH482628	Yes
LL55 1PD	53.141562	-4.270929	248200	362900	SH481628	No
LL55 1PE	53.141514	-4.271121	248187	362895	SH481628	Yes
LL55 1PF	53.14221	-4.269946	248268	362970	SH482629	Yes
LL55 1PG	53.142236	-4.268617	248357	362970	SH483629	Yes
LL55 1PH	53.142044	-4.26922	248316	362950	SH483629	Yes
LL55 1PL	53.141774	-4.269729	248281	362921	SH482629	Yes
LL55 1PN	53.141418	-4.269067	248324	362880	SH483628	Yes
LL55 1PP	53.140803	-4.273027	248057	362820	SH480628	Yes
LL55 1PR	53.140935	-4.273653	248016	362836	SH480628	Yes
LL55 1PS	53.143062	-4.259674	248958	363043	SH489630	Yes
LL55 1PT	53.140745	-4.269944	248263	362807	SH482628	Yes
LL55 1PU	53.143044	-4.258267	249052	363038	SH490630	Yes
LL55 1PW	53.141308	-4.268702	248348	362867	SH483628	Yes
LL55 1QL	53.140731	-4.272081	248120	362810	SH481628	No
LL55 1RB	53.139959	-4.274851	247932	362730	SH479627	Yes
LL55 1RD	53.140411	-4.274741	247941	362780	SH479627	No
LL55 1RF	53.140224	-4.275529	247888	362761	SH478627	Yes
LL55 1RG	53.1409	-4.275454	247895	362836	SH478628	Yes
LL55 1RH	53.140854	-4.27602	247857	362832	SH478628	Yes
LL55 1RL	53.14055	-4.276856	247800	362800	SH478628	No
LL55 1RN	53.140618	-4.277518	247756	362809	SH477628	Yes
LL55 1RP	53.139652	-4.276809	247800	362700	SH477627	No
LL55 1RR	53.140308	-4.275848	247867	362771	SH478627	Yes
LL55 1RS	53.143974	-4.259009	249006	363143	SH490631	Yes
LL55 1RT	53.14126	-4.276864	247802	362879	SH478628	Yes
LL55 1RU	53.141634	-4.27657	247823	362920	SH478629	Yes
LL55 1RW	53.140993	-4.275803	247872	362847	SH478628	Yes
LL55 1RY	53.140994	-4.273381	248034	362842	SH480628	No
LL55 1SA	53.14172	-4.276814	247807	362930	SH478629	Yes
LL55 1SB	53.14799	-4.255386	249262	363582	SH492635	No
LL55 1SD	53.139623	-4.278302	247700	362700	SH477626	No
LL55 1SE	53.140441	-4.276895	247797	362788	SH477627	Yes
LL55 1SF	53.139623	-4.278302	247700	362700	SH477626	No
LL55 1SG	53.139694	-4.278357	247697	362708	SH476627	Yes
LL55 1SH	53.140238	-4.277199	247776	362766	SH477627	Yes
LL55 1SL	53.139768	-4.277772	247736	362715	SH477627	No
LL55 1SN	53.140624	-4.278176	247712	362811	SH477628	Yes
LL55 1SP	53.141449	-4.277337	247771	362901	SH477629	Yes
LL55 1SQ	53.143461	-4.275081	247929	363120	SH479631	Yes
LL55 1SR	53.14214	-4.277853	247739	362979	SH477629	Yes
LL55 1SS	53.142035	-4.276785	247810	362965	SH478629	Yes
LL55 1ST	53.141359	-4.274955	247930	362886	SH479628	Yes
LL55 1SU	53.141575	-4.275415	247900	362911	SH479629	Yes
LL55 1SW	53.141164	-4.277666	247748	362870	SH477628	Yes
LL55 1SY	53.14187	-4.274608	247955	362942	SH479629	Yes
LL55 1SZ	53.141257	-4.274681	247948	362874	SH479628	No
LL55 1TA	53.141811	-4.275816	247874	362938	SH478629	Yes
LL55 1TB	53.142311	-4.274572	247959	362991	SH479629	Yes
LL55 1TD	53.142662	-4.274546	247962	363030	SH479630	Yes
LL55 1TE	53.143273	-4.275505	247900	363100	SH479631	No
LL55 1TF	53.143273	-4.275505	247900	363100	SH479631	No
LL55 1TG	53.142503	-4.275336	247909	363014	SH479630	No
LL55 1TH	53.144532	-4.275018	247937	363239	SH479632	Yes
LL55 1TL	53.140589	-4.274795	247938	362800	SH479627	No
LL55 1TR	53.164531	-4.248848	249757	365408	SH497654	No
LL55 1TS	53.165924	-4.244119	250078	365553	SH500655	Yes
LL55 1ZA	53.140277	-4.248179	249717	362709	SH497627	No
LL55 1ZB	53.140286	-4.248164	249718	362710	SH497627	No
LL55 1ZD	53.148199	-4.255696	249242	363606	SH492636	No
LL55 1ZE	53.140286	-4.248164	249718	362710	SH497627	No
LL55 1ZF	53.148199	-4.255696	249242	363606	SH492636	No
LL55 1ZG	53.140286	-4.248164	249718	362710	SH497627	No
LL55 1ZH	53.140238	-4.277199	247776	362766	SH477627	Yes
LL55 1ZP	53.140286	-4.248164	249718	362710	SH497627	No
LL55 1ZU	53.140286	-4.248164	249718	362710	SH497627	No
LL55 2AA	53.139443	-4.273613	248013	362670	SH480626	No
LL55 2AB	53.139445	-4.272542	248085	362668	SH480626	Yes
LL55 2AD	53.139583	-4.272858	248064	362684	SH480626	Yes
LL55 2AE	53.139163	-4.27134	248164	362634	SH481626	Yes
LL55 2AF	53.138885	-4.271281	248167	362603	SH481626	Yes
LL55 2AG	53.132347	-4.261921	248770	361856	SH487618	Yes
LL55 2AL	53.139421	-4.271479	248156	362663	SH481626	Yes
LL55 2AP	53.139441	-4.269456	248291	362661	SH482626	Yes
LL55 2AR	53.139908	-4.268554	248353	362711	SH483627	Yes
LL55 2AS	53.13942	-4.272446	248091	362665	SH480626	Yes