01904 Area Code
The dialling code for York: what 01904 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01904 Area Code?
York landline number. 01904 is the dialling code for York. Numbers starting 01904 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in York.
Who was the range allocated to?
Ofcom has allocated 01904 numbers to 119 providers. The largest holders are BT, Vodafone Ltd (C&W) and GCI Network Solutions 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 01904 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 01904 Range
| Number type | York landline number |
|---|---|
| Area | York |
| Number format | 01904 XXXXXX |
| Allocated by Ofcom | 67% of the range, to 119 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 20 July 2026 |
Largest holders of 01904 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 33% | 15 July 1994 |
| Vodafone Ltd (C&W) | 6% | 18 June 2013 |
| GCI Network Solutions Limited | 3% | 2 May 2017 |
| Gamma Telecom Holdings Limited | 2% | 20 April 2004 |
| Virgin Media Limited | 2% | 16 May 1995 |
| Sky UK Limited | 2% | 20 June 2013 |
113 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01904 Numbers
Where is the 01904 area code?
01904 is the dialling code for York. Numbers starting 01904 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in York.
Is 01904 a mobile number?
No. 01904 is a landline (geographic) area code for York. UK mobile numbers start with 07.
Who does the 01904 range belong to?
Ofcom has allocated 01904 numbers to 119 providers. The largest holders are BT, Vodafone Ltd (C&W) and GCI Network Solutions 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 01904 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 01904 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.