01235 Area Code
The dialling code for Abingdon: what 01235 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01235 Area Code?
Abingdon landline number. 01235 is the dialling code for Abingdon. Numbers starting 01235 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Abingdon.
Who was the range allocated to?
Ofcom has allocated 01235 numbers to 104 providers. The largest holders are BT, Vodafone Ltd (C&W) and Virgin Media Limited.
Numbers can be moved (ported) between networks, so the network a caller uses today may not be the one Ofcom allocated the block to. The allocation does not identify the person or business using a number.
Had a call from a 01235 number you don't recognise?
We can't tell you who called: an area code only shows the type of number and the provider Ofcom allocated the range to.
- Don't call back in a hurry, even if a message says it's urgent. Never give bank details or security codes on a call you didn't expect.
- Block the number from your phone's recent calls list.
- Forward scam texts free to 7726. Report unwanted marketing calls to the ICO, and see Ofcom's advice on scam calls.
- Register your number with the Telephone Preference Service to opt out of sales calls.
About the 01235 Range
| Number type | Abingdon landline number |
|---|---|
| Area | Abingdon |
| Number format | 01235 XXXXXX |
| Allocated by Ofcom | 54% of the range, to 104 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 22 October 2026 |
Largest holders of 01235 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 19% | 15 July 1994 |
| Vodafone Ltd (C&W) | 4% | 3 October 2013 |
| Virgin Media Limited | 3% | 18 May 1995 |
| Gamma Telecom Holdings Limited | 2% | 15 March 2005 |
| GCI Network Solutions Limited | 1% | 20 April 2017 |
| Digital Space Group Limited | 1% | 29 November 2007 |
98 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01235 Numbers
Where is the 01235 area code?
01235 is the dialling code for Abingdon. Numbers starting 01235 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Abingdon.
Is 01235 a mobile number?
No. 01235 is a landline (geographic) area code for Abingdon. UK mobile numbers start with 07.
Who does the 01235 range belong to?
Ofcom has allocated 01235 numbers to 104 providers. The largest holders are BT, Vodafone Ltd (C&W) and Virgin Media Limited. Numbers can be moved (ported) between networks, so the network a caller uses today may not be the one Ofcom allocated the block to. The allocation does not identify the person or business using a number.
Who called me from a 01235 number?
We can't tell you who called. An area code only shows the type of number and which provider Ofcom allocated the range to. If you don't recognise a 01235 number, don't call back in a hurry, and never give out bank details or security codes on a call you didn't expect.
Block the number from your phone's recent calls list. Forward scam texts free to 7726, report unwanted marketing calls to the ICO, and see Ofcom's advice on scam calls.