What does an EC3P postcode tell you?

That the address lies in the EC3P district of the EC (East Central London) postcode area, and the place OS Open Names most often lists first for its postcodes is London. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 25 live postcodes.

EC3P postcode district

EC3P, in the EC (East Central London) postcode area, has 25 live and 104 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files no road under it.

postcode area	EC (East Central London)
live postcodes	25
terminated postcodes	104
sectors	1
roads listed	0
companies registered	23
centroid	51.52415, -0.11080
directory release	2026-08

Postcodes and sectors

25 of the district's 129 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 51.52415, -0.11080, which locates the district, not a building.

sector	live	terminated
EC3P 3	25	104

Companies registered in EC3P

Companies House lists 23 companies with a registered office in EC3P (1 October 2026 snapshot).

Places OS Open Names lists for EC3P

London
Greater London
Islington
City of London
City and County of the City of London

Roads filed under EC3P

OS Open Names files no road under EC3P, so a street here cannot be confirmed from the register and the lookup answers about the postcode alone.

Check an address in EC3P

Common questions about EC3P

What does an EC3P postcode tell you?: That the address lies in the EC3P district of the EC (East Central London) postcode area, and the place OS Open Names most often lists first for its postcodes is London. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 25 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 EC3P

W1A0.1 km
EC1R0.2 km
WC1X0.4 km
EC1N0.5 km
EC1A0.6 km
WC1R0.6 km
WC1N0.6 km
EC1M0.7 km
WC1A0.8 km
WC1V0.8 km
WC2A0.9 km
EC4A0.9 km
Every district
How a British address is written
Check any address

distance between the districts' centroids

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