What does an ST55 postcode tell you?

That the address lies in the ST55 district of the ST (Stoke-on-Trent) postcode area, and the place OS Open Names most often lists first for its postcodes is Newcastle-under-Lyme. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 44 live postcodes.

ST55 postcode district

ST55, in the ST (Stoke-on-Trent) postcode area, has 44 live and 154 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files no road under it.

postcode area	ST (Stoke-on-Trent)
live postcodes	44
terminated postcodes	154
sectors	1
roads listed	0
centroid	53.01417, -2.23803
directory release	2026-08

Postcodes and sectors

44 of the district's 198 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 53.01417, -2.23803, which locates the district, not a building.

sector	live	terminated
ST55 9	44	154

Places OS Open Names lists for ST55

Newcastle-under-Lyme
Staffordshire
West Midlands

Roads filed under ST55

OS Open Names files no road under ST55, so a street here cannot be confirmed from the register and the lookup answers about the postcode alone.

Check an address in ST55

Common questions about ST55

What does an ST55 postcode tell you?: That the address lies in the ST55 district of the ST (Stoke-on-Trent) postcode area, and the place OS Open Names most often lists first for its postcodes is Newcastle-under-Lyme. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 44 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 ST55

ST50.2 km
ST44.2 km
ST14.6 km
ST65.8 km
ST27.0 km
ST78.5 km
ST38.6 km
ST128.7 km
ST910.4 km
CW311.5 km
ST812.2 km
ST1112.9 km
Every district
How a British address is written
Check any address

distance between the districts' centroids

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