UK area code
01865 — Oxford
The 01865 dialling code covers Oxford in Oxfordshire. Approximate population of the area: 162,000. Below are the currently-allocated Ofcom number ranges and the Range Holders they are assigned to.
About the 01865 dialling code
01865 is the UK area code for Oxford and the surrounding Oxfordshire area, listed in Ofcom’s National Telephone Numbering Plan. When a UK landline calls you and the number begins +44 1865 the originating exchange is most likely physically located in or near Oxford. Numbers in this code are allocated to UK communications providers in 1,000- or 10,000-number blocks; the table below shows which Range Holder Ofcom assigned each block to.
This is the same data Ofcom publishes every Wednesday in the public UK Numbering Data feed. We re-ingest the snapshot weekly, so the allocations you see here are at most seven days old. Because UK numbers are portable, the current carrier of any specific number on 01865 can differ from the Range Holder shown — see Range Holder vs current provider for the full explanation.
To identify a specific 01865 number, paste it into the lookup form above. You will see the Range Holder, the allocation status, the area-code metadata for Oxford, and a live AI internet check summarising any public web reports about that exact number — useful when an unfamiliar 01865 caller turns out to be a legitimate local business, a national contact-centre, or a scam.
Range holders on 01865
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All allocated ranges on 01865
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FAQs about 01865
What does the 01865 area code cover?
01865 is the UK dialling code for Oxford and the wider Oxfordshire area. The area has a population of approximately 162,000. When you receive a call starting with 01865 from a UK landline, the originating exchange is likely in or near Oxford.
Is a 01865 number safe?
Most calls from 01865 are legitimate landlines. Scammers can however spoof any UK area code, so a 01865 prefix alone doesn't guarantee safety. Use the lookup above to see the Range Holder, then read the AI internet check for behavioural reports.
How many providers operate 01865 number ranges?
Across the 0 ranges currently visible, 0 different Range Holders are listed. The top allocations are typically held by Openreach (BT), Virgin Media O2 and Sky.