OL12 postcode district

Postcodes and sectors

1,185 of the district's 1,521 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 53.63657, -2.16546, which locates the district, not a building.

Companies registered in OL12

Companies House lists 2,194 companies with a registered office in OL12; 80 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 OL12

• North West
• Rochdale
• Rossendale
• Lancashire
• Whitworth
• Wardle
• Nar
• Broadley Fold
• Wolstenholme
• Catley Lane Head
• Rain Shore
• Red Lumb
• Cheesden

Roads filed under OL12

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.

• Aberdeen Gardens
• Acre Street
• Acton Street
• Ada Street
• Aden Street
• Ainsdale Drive
• Albert Street
• Albury Drive
• Alderbank
• Alderman Foley Drive
• Alder Meadow Close
• Alfred Street
• Alice Street
• Alicia Drive
• All Saints Terrace
• Alma Street
• Alpine Drive
• Amy Street
• Armstrong Hurst Close
• Arthur Street
• Ashbourne Close
• Ashbrook Crescent
• Ashbrook Hey Lane
• Ash Close
• Ashmount Drive
• Ashworth Street
• Ashworth Walk
• Aspen Gardens
• Athol Street
• Augusta Close
• Augusta Street
• Back Cowm Lane
• Back Lane
• Back Louise Street
• Back Mark Street
• Back Patience Street
• Back Ramsden Road
• Back Worrall Street
• Bagnall Close
• Baildon Road
• Baitings Close
• Balfour Road
• Bank Barn Lane
• Bank Lane
• Bantry Street
• Barlow Moor Close
• Barn Field Lane
• Barnfield Street
• Bar Terrace
• Bassett Close
• Bassett Gardens
• Bassett Way
• Bateman Avenue
• Bath Street
• Bay Street
• Baytree Walk
• Beadle Avenue
• Beaufort Street
• Beech Close
• Beightons Walk

Check an address in OL12

Check an address in OL12

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=OL12" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about OL12

What does an OL12 postcode tell you?

That the address lies in the OL12 district of the OL (Oldham) postcode area, and the place OS Open Names most often lists first for its postcodes is Rochdale. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 1,185 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 OL12

• OL163.5 km
• OL113.5 km
• OL154.4 km
• OL106.4 km
• OL137.6 km
• OL27.9 km
• BL99.4 km
• OL149.6 km
• M249.7 km
• BL010.1 km
• OL110.4 km
• OL910.9 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids