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postinumerot (11 kohdat):
SA1 (5)
SA10 (11)
SA11 (14)
SA12 (6)
SA13 (9)
SA14 (17)
SA15 (10)
SA16 (3)
SA17 (17)
SA18 (20)
SA19 (36)
Keskimääräinen GPS-koordinaatit postinumero sa1: 51.634, -3.948

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Listatut kaupungit:
>> Swansea SA1, West Glamorgan, Wales, GPS-koordinaatit: 51.6208,-3.9432
>> Pentre-chwyth SA1, West Glamorgan, Wales, GPS-koordinaatit: 51.634,-3.9485
>> Bon-y-maen SA1, West Glamorgan, Wales, GPS-koordinaatit: 51.634,-3.9485
>> Cwmbwrla SA1, West Glamorgan, Wales, GPS-koordinaatit: 51.6371,-3.9608
>> Landore SA1, West Glamorgan, Wales, GPS-koordinaatit: 51.644,-3.9414