Garnswllt, Ammanford, SA18 2RN

The SA postcode area, also known as the Swansea postcode area, is a group of 51 postcode districts for post towns Aberaeron, Ammanford, Boncath, Burry Port, Cardigan, Carmarthen, Clynderwen, Crymych, Ferryside, Fishguard, Glogue, Goodwick, Haverfordwest, Kidwelly, Kilgetty, Lampeter, Llanarth, Llandeilo, Llandovery, Llandysul, Llanelli, Llanfyrnach, Llangadog, Llangrannog, Llansaint, Llanwrda, Llanybydder, Milford Haven, Narberth, Neath, New Quay, Newcastle Emlyn, Newport, Pembroke, Pembroke Dock, Pencader, Pontardawe, Port Talbot, Saundersfoot, Swansea, Tenby and Whitland forming south‑west Wales. The locality of Garnswllt, Ammanford is situated within the SA 18 district, placing it among these diverse towns and communities that share the SA postcode designation. This area is part of the broader south‑west Welsh region, known for its rural character and proximity to coastal towns such as Swansea and Pembroke. The postcode area encompasses both inland and coastal settlements, providing a range of settings within the same postal region. Residents in Garnswllt, Ammanford therefore experience the character of a smaller community while being linked to the larger network of towns that fall under the SA postcode umbrella.