IP98 postcode district: Diss and around, Norfolk

IP98 is a postcode district in Norfolk, with 7 postcodes in use in 2 sectors. It has postcodes in Diss. Its council is South Norfolk.

Postcodes in use
7
Sectors
2
Council
South Norfolk
Places
Diss

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

Every postcode in IP98, by flood risk

Map of every postcode in IP98, by flood risk Of the 7 postcodes in IP98 that ONS places, 7 are not on the Environment Agency's at-risk list. Places named: Diss. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. IP98 1ER: not on the flood risk list Diss Map of every postcode in IP98, by flood risk Of the 7 postcodes in IP98 that ONS places, 7 are not on the Environment Agency's at-risk list. Places named: Diss. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Diss
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 7

Of the 7 postcodes in IP98 that ONS places, 7 are not on the Environment Agency's at-risk list.

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. 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 52.3767, longitude 1.1092. 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; flood risk: Environment Agency, published 6 July 2026; 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

Is IP98 at risk of flooding?

None of the 7 postcodes in IP98 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

Postcodes in IP98

Pick a sector, then a postcode. A sector is the district plus the next digit.

IP98 16 postcodesIP98 91 postcode
UK postcode format explained

Places in IP98

Towns and villages with postcodes in IP98, and how many each has here.

Diss postcodes,7

Who covers IP98

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Waveney Valley7

Police force areas

  • Norfolk7

Next to IP98

IP33 postcode district All IP districts Diss postcodes

"Next to" is by number: the district before IP98 in the IP area.

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