IV30 4 postcode sector in the IV30 district
IV30 4 is a sector of the IV30 district: every postcode that starts IV30 4. It has 196 postcodes in use, one of them a large-user postcode. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.
Not sure what a sector is? UK postcode format explained.
Every postcode in the IV30 4 sector, and which are new since 2020
- New since 2020: 15
- In use before 2020: 181
- Outline: where 5 or more new postcodes since 2020 lie together
Of the 196 postcodes in the IV30 4 sector that ONS places, 15 are new since 2020 and 181 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. Names in italics are council wards: we hold no town or village names here.
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 5 newest postcodes
Where the new postcodes lie together
- 12 new postcodes since 2020, outlined on the map. IV30 4FR, is the newest of them.
Postcodes in IV30 4
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Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources
Other sectors in IV30
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