SA99 postcode district: Swansea and around

SA99 is a postcode district in Wales, with 65 postcodes in use in 1 sector. It has postcodes in Swansea. Its council is Swansea.

Postcodes in use: 65
Sectors: 1
Council: Swansea
Places: Swansea

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in SA99, and which are new since 2020

New since 2020: 0
In use before 2020: 65

Of the 65 postcodes in SA99 that ONS places, 65 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. Names in italics are council wards: we hold no town or village names here.

The middle of its postcodes: latitude 51.6700, longitude -3.9455. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them