SN38 postcode district: Swindon and around

SN38 is a postcode district in England, with 124 postcodes in use in 10 sectors. It has postcodes in Swindon. Its council is Swindon.

Postcodes in use: 124
Sectors: 10
Council: Swindon
Places: Swindon

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

Every postcode in SN38, and which are new since 2020

New since 2020: 1
In use before 2020: 123

Of the 124 postcodes in SN38 that ONS places, 1 are new since 2020 and 123 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.

The middle of its postcodes: latitude 51.5631, longitude -1.8099. 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

The newest postcode

SN38 1WZApril 2023

What broadband can you get in SN38?

Ofcom reports on 15 of the 124 postcodes in SN38. At none of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit0 of 15

Postcodes where every home can get superfast0 of 15

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is SN38 at risk of flooding?

None of the 124 postcodes in SN38 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it