NP10 postcode district

Postcodes and sectors

590 of the district's 745 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 51.57802, -3.04792, which locates the district, not a building.

Companies registered in NP10

Companies House lists 1,448 companies with a registered office in NP10; none of them at an address shared by 25 or more companies (1 October 2026 snapshot). 25 is the count at which the address lookup reports a company cluster.

Places OS Open Names lists for NP10

• Wales
• Casnewydd
• Newport
• Rogerstone
• Tŷ-Du
• Caerffili
• Caerphilly
• Draethen
• St Brides
• Lower Machen
• Risca
• Rhisga
• Pen-y-lan

Roads filed under NP10

Named roads first, then numbered ones. A road is filed under one district even where it runs through several, so a street missing here may be listed under a neighbouring district — which is why the address lookup never calls a British street absent. Great Britain has no open register of buildings, so a listed road never means a building on it exists.

• Acer Way
• Acorn Close
• Afon Mead
• Alcan Grove
• Aluminium Close
• Alwyn Close
• Badgers Wood
• Bala Drive
• Barry Walk
• Beach Road
• Beacons Close
• Beaumaris Close
• Beech Grove
• Benson Avenue
• Bentley Close
• Berkerolles Road
• Berkley Close
• Berkley Road
• Bethesda Close
• Bethesda Place
• Bethesda Rise
• Birch Trees
• Birdie Close
• Birgantine Way
• Blackbird Close
• Blacksmiths Way
• Blanche Close
• Bluebell Way
• Brabazon Road
• Brigantine Close
• Brigantine Drive
• Brigantine Grove
• Bronllys Grove
• Bronllys Mews
• Broom Close
• Brunel Avenue
• Bryn Hedydd
• Buccaneer Close
• Buccaneer Grove
• Buccaneer Way
• Buchanan Way
• Builth Close
• Burberry Close
• Buttercup Close
• Caban Close
• Caernarvon Drive
• Caerphilly Close
• Caerphilly Road
• Camellia Avenue
• Campanula Drive
• Cantref Close
• Carnegie Close
• Castell Coch Drive
• Castle Close
• Castle Way
• Catherine Close
• Cecil Lane
• Cedar Gardens
• Cedar Wood Close
• Cedar Wood Drive

Check an address in NP10

Check an address in NP10

The same road list through the API, from the outward code alone:

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=NP10" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about NP10

What does an NP10 postcode tell you?

That the address lies in the NP10 district of the NP (Newport) postcode area, and the place OS Open Names most often lists first for its postcodes is Casnewydd. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 590 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 NP10

• NP203.2 km
• NP196.0 km
• CF37.7 km
• NP188.0 km
• NP448.3 km
• NP119.3 km
• CF2310.3 km
• CF8311.8 km
• CF1412.5 km
• CF2412.7 km
• CF1014.4 km
• NP1214.5 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids