LA3 postcode district

Postcodes and sectors

751 of the district's 949 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 54.04973, -2.87927, which locates the district, not a building.

Companies registered in LA3

Companies House lists 1,066 companies with a registered office in LA3; 161 of them at addresses 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 LA3

• Lancaster
• Lancashire
• North West
• Heysham
• Morecambe
• Middleton
• Overton
• Sunderland
• Heaton

Roads filed under LA3

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.

• Abbeydale
• Abingdon Grove
• Acorn Garden
• Ailsa Walk
• Aire Close
• Akeman Close
• Alan Grove
• Alexandra Road
• Applegarth Road
• Arncliffe Road
• Arran Close
• Ashbourne Grove
• Ashcroft
• Avondale Road
• Back Avondale Road East
• Back Avondale Road West
• Back Knowlys Road
• Back Street
• Back Winterdyne Terrace
• Badger Wood
• Bailey Lane
• Balmoral Avenue
• Balmoral Road
• Banbury Road
• Banks Crescent
• Barnes Road
• Barrows Lane
• Barry Grove
• Bay Close
• Bay New Drive
• Bay Road
• Bazil Grove
• Bazil Lane
• Berwick Way
• Birchtree Avenue
• Bishopdale Close
• Blackberry Hall Crescent
• Bleasdale Grove
• Bold Street
• Borrans Lane
• Boscombe Avenue
• Bowland Road
• Bradford Grove
• Brambling Drive
• Brazil Close
• Brentlea Avenue
• Brentlea Crescent
• Brier Drive
• Brock Close
• Brook Avenue
• Brook Grove
• Brooklands Drive
• Brook Road
• Broughton Grove
• Brunswick Road
• Buckden Place
• Buckingham Grove
• Buckingham Place
• Buckingham Road
• Burdock Walk

Check an address in LA3

Check an address in LA3

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=LA3" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about LA3

What does an LA3 postcode tell you?

That the address lies in the LA3 district of the LA (Lancaster) postcode area, and the place OS Open Names most often lists first for its postcodes is Heysham. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 751 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 LA3

• LA42.9 km
• LA15.2 km
• LA511.9 km
• LA213.7 km
• LA1117.0 km
• FY717.7 km
• LA720.8 km
• FY621.3 km
• FY521.5 km
• LA1221.6 km
• LA1322.2 km
• LA622.4 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids