Dialling code
01865
Area / city
Oxford
Covers
Oxford and the surrounding area
County
Oxfordshire
Region / nation
South East, England
Number type
Geographic landline (01/02)
Local format
01865 XXXXXX
From abroad
+44 1865 XXXXXX

Where is the 01865 area code?

The 01865 dialling code is the UK geographic area code for Oxford, covering Oxford and the surrounding area. Oxford lies in Oxfordshire, in the South East region of England. Oxford is the 'city of dreaming spires', home to the world's oldest English-speaking university.

Because 01865 is a geographic (01/02) code, a number using it is tied to the Oxford area — though with modern hosted telephony (VoIP) a business can keep an 01865 number even after moving premises, so the code reflects the original area rather than a guaranteed physical location today.

Oxford phone number format & example

An Oxford number is made up of a 5-digit area code followed by a 5 or 6-digit local number. Written in full it looks like 01865 XXXXXX (the Xs stand for the local digits). Ofcom has not reserved a dedicated fictitious range for 01865. For on-screen examples it recommends the unused 01632 96000001632 960999 range. Real Oxford numbers follow the pattern 01865 XXXXXX.

How to dial a Oxford (01865) number

  • Within the Oxford area: on most lines you can dial just the local part of the number, although dialling the full national number including 01865 always works.
  • From elsewhere in the UK: dial the full number including the area code — 01865 XXXXXX.
  • From abroad: replace the leading 0 with +44+44 1865 XXXXXX.

Call charges for 01865 numbers

Calls to 01865 geographic numbers are charged at your phone provider’s standard UK landline rate and are normally included in any inclusive call minutes on your landline or mobile plan. UK-wide 03 numbers are guaranteed by Ofcom to cost the same as 01/02 calls, while 084, 087 and 09 numbers cost considerably more — so it’s always worth checking the prefix before you dial.

Spotting spoofed 01865 scam calls

Fraudsters frequently spoof local dialling codes, faking the caller ID so a scam call appears to come from a nearby Oxford (01865) number you might trust. This is called neighbour spoofing. Remember:

  • A familiar 01865 area code is not proof the caller is local or genuine — caller ID can be faked.
  • Banks, HMRC and the police will never ask you to move money or share passwords or one-time codes over the phone.
  • If a call feels off, hang up, wait a moment, and call the organisation back on a number from their official website or your statement.
  • Report nuisance calls to the ICO and forward scam texts to 7726 (free).

Nearby & related area codes

Explore the dialling codes of places near Oxford:

Browse all UK area-code guides ›