SA1 in Swansea

31 postcode sectors mapped mainly to Swansea. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.

Postcode districts

All 31
SA1 4
SA2 4
SA3 4
SA4 6
SA5 5
SA6 4
SA7 2
SA80 1
SA99 1

SA1 guides

4 sectors

SA1 2Near Landore
SA1 5Near Castle
SA1 6Near Townhill
SA1 7Near Bon-y-maen

Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.