Postcodes in Swansea page 7 Unitary Authority

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This page provides postcode data for the Swansea UK Unitary Authority.

In 2021, Swansea contained approximately 105,000 households with a population of about 238,500

In 2011, Swansea contained approximately 103,491 households with a population of about 239,013

Wards in this Unitary Authority
Bishopston ,   Bôn-y-maen ,   Castle ,   Clydach ,   Cockett ,   Cwmbwrla ,   Dunvant and Killay ,   Fairwood ,   Gorseinon and Penyrheol ,   Gower ,   Gowerton ,   Landore ,   Llangyfelach ,   Llansamlet ,   Llwchwr ,   Mayals ,   Morriston ,   Mumbles ,   Mynydd-bach ,   Pen-clawdd ,   Penderry ,   Penllergaer ,   Pennard ,   Pontarddulais ,   Pontlliw and Tircoed ,   Sketty ,   St Thomas ,   Townhill ,   Uplands ,   Waterfront ,   Waunarlwydd ,   West Cross
Parishes in this Unitary Authority
Birchgrove ,   Bishopston ,   Bonymaen ,   Castle ,   Clydach ,   Cockett ,   Cwmbwrla ,   Dunvant ,   Gorseinon ,   Gowerton ,   Grovesend and Waungron ,   Ilston ,   Killay ,   Landore ,   Llangennith, Llanmadoc and Cheriton ,   Llangyfelach ,   Llanrhidian Higher ,   Llanrhidian Lower ,   Llansamlet ,   Llwchwr ,   Mawr ,   Morriston ,   Mumbles ,   Mynyddbach ,   Penderry ,   Penllergaer ,   Pennard ,   Penrice ,   Pontardulais ,   Pontlliw and Tircoed ,   Port Eynon ,   Reynoldston ,   Rhossili ,   Sketty ,   St Thomas ,   Three Crosses ,   Townhill ,   Uplands ,   Upper Killay ,   Waterfront ,   Waunarlwydd
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
SA1 3AG Castle 51.619297 -3.946526 265338 192959 SS653929
SA1 3AH Castle 51.619915 -3.943461 265552 193022 SS655930
SA1 3AJ Castle 51.619705 -3.944203 265500 193000 SS654930
SA1 3AL Llansamlet 51.647984 -3.923586 267010 196107 SS670961
SA1 3AN Castle 51.618279 -3.950198 265081 192853 SS650928
SA1 3AP Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3AQ Castle 51.619077 -3.947354 265280 192936 SS652929
SA1 3AR Castle 51.617759 -3.946055 265366 192787 SS653927
SA1 3AS Castle 51.620204 -3.945539 265409 193058 SS654930
SA1 3AT Castle 51.615348 -3.956139 264661 192538 SS646925
SA1 3AU Castle 51.618891 -3.942062 265646 192906 SS656929
SA1 3AW Castle 51.618791 -3.948324 265212 192906 SS652929
SA1 3AX Castle 51.618734 -3.948495 265200 192900 SS652928
SA1 3AY Castle 51.618642 -3.948087 265228 192889 SS652928
SA1 3AZ Castle 51.618648 -3.94826 265216 192890 SS652928
SA1 3BA Castle 51.619608 -3.946785 265321 192994 SS653929
SA1 3BB Castle 51.620227 -3.944167 265504 193058 SS655930
SA1 3BD Castle 51.62069 -3.945289 265428 193112 SS654931
SA1 3BE Castle 51.619297 -3.948721 265186 192963 SS651929
SA1 3BG Castle 51.618873 -3.949111 265158 192917 SS651929
SA1 3BH Castle 51.619353 -3.948579 265196 192969 SS651929
SA1 3BJ Castle 51.619167 -3.94817 265224 192948 SS652929
SA1 3BL Castle 51.619613 -3.946803 265320 192995 SS653929
SA1 3BN Castle 51.619836 -3.94583 265388 193018 SS653930
SA1 3BP Castle 51.619855 -3.945744 265394 193020 SS653930
SA1 3BQ Castle 51.619009 -3.948709 265186 192931 SS651929
SA1 3BR Castle 51.61996 -3.945359 265421 193031 SS654930
SA1 3BS Castle 51.620059 -3.944814 265459 193041 SS654930
SA1 3BT Castle 51.619681 -3.945646 265400 193000 SS654930
SA1 3BU Castle 51.617119 -3.942651 265600 192710 SS655927
SA1 3BW Castle 51.619872 -3.945803 265390 193022 SS653930
SA1 3BX Waterfront 51.616107 -3.942377 265616 192597 SS656925
SA1 3BY Waterfront 51.620069 -3.944771 265462 193042 SS654930
SA1 3BZ Castle 51.620139 -3.944861 265456 193050 SS654930
SA1 3DA Castle 51.618567 -3.940445 265757 192867 SS657928
SA1 3DF Castle 51.620295 -3.944965 265449 193067 SS654930
SA1 3DH Castle 51.620265 -3.945444 265416 193065 SS654930
SA1 3DJ Castle 51.620209 -3.945557 265408 193059 SS654930
SA1 3DL Castle 51.619681 -3.945646 265400 193000 SS654930
SA1 3DN Castle 51.620263 -3.946307 265356 193066 SS653930
SA1 3DP Castle 51.619681 -3.945646 265400 193000 SS654930
SA1 3DR Castle 51.619681 -3.945646 265400 193000 SS654930
SA1 3DS Castle 51.619681 -3.945646 265400 193000 SS654930
SA1 3DT Castle 51.619657 -3.94709 265300 193000 SS652930
SA1 3DU Castle 51.617764 -3.952787 264900 192800 SS649928
SA1 3DW Castle 51.61993 -3.94608 265371 193029 SS653930
SA1 3DX Castle 51.620999 -3.947494 265276 193150 SS652931
SA1 3DZ Castle 51.619152 -3.945508 265408 192941 SS654929
SA1 3EA Castle 51.620579 -3.945685 265400 193100 SS653930
SA1 3EB Castle 51.619657 -3.94709 265300 193000 SS652930
SA1 3ED Castle 51.618758 -3.947052 265300 192900 SS652928
SA1 3EE Castle 51.619154 -3.945985 265375 192942 SS653929
SA1 3EF Castle 51.619778 -3.946315 265354 193012 SS653930
SA1 3EG Castle 51.620555 -3.947128 265300 193100 SS653930
SA1 3EH Castle 51.620097 -3.946574 265337 193048 SS653930
SA1 3EJ Castle 51.620459 -3.952903 264900 193100 SS648930
SA1 3EN Castle 51.62067 -3.94705 265306 193113 SS653931
SA1 3EP Castle 51.621074 -3.947068 265306 193158 SS653931
SA1 3EQ Castle 51.619911 -3.946407 265348 193027 SS653930
SA1 3ER Castle 51.620555 -3.947128 265300 193100 SS653930
SA1 3ES Castle 51.621201 -3.946708 265331 193171 SS653931
SA1 3ET Castle 51.621361 -3.945733 265399 193187 SS653931
SA1 3EU Castle 51.621729 -3.946298 265361 193229 SS653932
SA1 3EW Castle 51.620955 -3.94742 265281 193145 SS652931
SA1 3EX Castle 51.621454 -3.947167 265300 193200 SS652931
SA1 3EY Castle 51.621544 -3.947463 265280 193211 SS652932
SA1 3EZ Castle 51.621776 -3.94704 265310 193236 SS653932
SA1 3HA Castle 51.621641 -3.947276 265293 193221 SS652932
SA1 3HD Castle 51.621454 -3.947167 265300 193200 SS652931
SA1 3HE Castle 51.621629 -3.948027 265241 193221 SS652932
SA1 3HH Castle 51.622002 -3.946685 265335 193260 SS653932
SA1 3HJ Castle 51.622002 -3.946685 265335 193260 SS653932
SA1 3HT Castle 51.618406 -3.950695 265047 192868 SS650928
SA1 3HY Castle 51.617981 -3.950301 265073 192820 SS650928
SA1 3HZ Castle 51.618297 -3.951568 264986 192857 SS649928
SA1 3JA Castle 51.617737 -3.952024 264953 192796 SS649927
SA1 3JB Castle 51.61791 -3.951551 264986 192814 SS649928
SA1 3JD Castle 51.617808 -3.951749 264972 192803 SS649928
SA1 3JE Castle 51.617358 -3.952614 264911 192755 SS649927
SA1 3JF Castle 51.617011 -3.951848 264963 192715 SS649927
SA1 3JG Castle 51.617149 -3.95327 264865 192733 SS648927
SA1 3JJ Castle 51.61632 -3.955545 264705 192645 SS647926
SA1 3JL Waterfront 51.619967 -3.928323 266600 193000 SS666930
SA1 3JN Castle 51.616655 -3.954318 264791 192680 SS647926
SA1 3JP Castle 51.615591 -3.956106 264664 192565 SS646925
SA1 3JQ Castle 51.615966 -3.95271 264900 192600 SS648925
SA1 3JR Castle 51.615229 -3.956463 264638 192525 SS646925
SA1 3JS Castle 51.615756 -3.954842 264752 192581 SS647925
SA1 3JT Castle 51.615621 -3.955627 264697 192567 SS646925
SA1 3JU Castle 51.616419 -3.953946 264816 192653 SS648926
SA1 3JW Castle 51.615582 -3.956669 264625 192565 SS646925
SA1 3JX Castle 51.616768 -3.952658 264906 192689 SS649926
SA1 3JY Castle 51.617589 -3.951165 265012 192778 SS650927
SA1 3JZ Castle 51.617578 -3.95041 265064 192775 SS650927
SA1 3LE Castle 51.617585 -3.942408 265618 192761 SS656927
SA1 3LF Castle 51.618298 -3.943363 265554 192842 SS655928
SA1 3LG Castle 51.618352 -3.943365 265554 192848 SS655928
SA1 3LH Castle 51.619577 -3.941568 265682 192981 SS656929
SA1 3LJ Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3LL Castle 51.618831 -3.942085 265644 192899 SS656928
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




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