What does an N1P postcode tell you?

That the address lies in the N1P district of the N (North London) postcode area, and the place OS Open Names most often lists first for its postcodes is Islington. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 861 live postcodes.

N1P postcode district

N1P, in the N (North London) postcode area, has 861 live and 273 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files no road under it.

postcode area	N (North London)
live postcodes	861
terminated postcodes	273
sectors	3
roads listed	0
companies registered	1
centroid	51.53901, -0.10340
directory release	2026-08

Postcodes and sectors

861 of the district's 1,134 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 51.53901, -0.10340, which locates the district, not a building.

sector	live	terminated
N1P 1	323	77
N1P 2	332	68
N1P 3	206	128

Companies registered in N1P

Companies House lists 1 company with a registered office in N1P (1 October 2026 snapshot).

Places OS Open Names lists for N1P

Islington
Greater London
London

Roads filed under N1P

OS Open Names files no road under N1P, so a street here cannot be confirmed from the register and the lookup answers about the postcode alone.

Check an address in N1P

Common questions about N1P

What does an N1P postcode tell you?: That the address lies in the N1P district of the N (North London) postcode area, and the place OS Open Names most often lists first for its postcodes is Islington. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 861 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 N1P

N10.5 km
EC1V1.4 km
N1C1.6 km
WC1X1.6 km
EC1R1.6 km
N51.7 km
W1A1.8 km
N71.9 km
EC1Y1.9 km
EC1M2.0 km
WC1H2.0 km
EC1A2.1 km
Every district
How a British address is written
Check any address

distance between the districts' centroids

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