What does an IP98 postcode tell you?

That the address lies in the IP98 district of the IP (Ipswich) postcode area, and the place OS Open Names most often lists first for its postcodes is Diss. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 7 live postcodes.

IP98 postcode district

IP98, in the IP (Ipswich) postcode area, has 7 live and 12 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files no road under it.

postcode area	IP (Ipswich)
live postcodes	7
terminated postcodes	12
sectors	3
roads listed	0
centroid	52.37668, 1.10924
directory release	2026-08

Postcodes and sectors

7 of the district's 19 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 52.37668, 1.10924, which locates the district, not a building.

sector	live	terminated
IP98 1	6	7
IP98 6	0	5
IP98 9	1	0

Places OS Open Names lists for IP98

Diss
South Norfolk
Norfolk
Eastern

Roads filed under IP98

OS Open Names files no road under IP98, so a street here cannot be confirmed from the register and the lookup answers about the postcode alone.

Check an address in IP98

Common questions about IP98

What does an IP98 postcode tell you?: That the address lies in the IP98 district of the IP (Ipswich) postcode area, and the place OS Open Names most often lists first for its postcodes is Diss. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 7 live postcodes.

Where the counts come from

ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0

What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.

Data synced on 2026-11-01: the newest version among the datasets listed above.

Districts nearest IP98

IP224.0 km
IP237.7 km
IP218.8 km
NR1611.4 km
IP2014.6 km
NR1717.3 km
NR1517.7 km
IP1419.7 km
IP3121.0 km
NR1821.6 km
NR3523.9 km
IP2424.2 km
Every district
How a British address is written
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distance between the districts' centroids

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