Swansea Building Society ← View details Lammas Street, Carmarthen, WL SA31 +44 1267 611950 swansea-bs.co.uk Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:30 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 12:00 pm Your comments * — Required information