01458 Area Code
The dialling code for Glastonbury: what 01458 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01458 Area Code?
Glastonbury landline number. 01458 is the dialling code for Glastonbury. Numbers starting 01458 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Glastonbury.
Who was the range allocated to?
Ofcom has allocated 01458 numbers to 95 providers. The largest holders are BT, GCI Network Solutions Limited and Vodafone Ltd (C&W).
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 01458 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 01458 Range
| Number type | Glastonbury landline number |
|---|---|
| Area | Glastonbury |
| Number format | 01458 XXXXXX |
| Allocated by Ofcom | 49% of the range, to 95 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 26 January 2026 |
Largest holders of 01458 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 11% | 15 July 1994 |
| GCI Network Solutions Limited | 2% | 25 April 2017 |
| Vodafone Ltd (C&W) | 2% | 5 September 2013 |
| Gamma Telecom Holdings Limited | 1% | 8 April 2005 |
| Digital Space Group Limited | 1% | 30 November 2007 |
| (Aq) Limited | 1% | 11 September 2012 |
89 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01458 Numbers
Where is the 01458 area code?
01458 is the dialling code for Glastonbury. Numbers starting 01458 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Glastonbury.
Is 01458 a mobile number?
No. 01458 is a landline (geographic) area code for Glastonbury. UK mobile numbers start with 07.
Who does the 01458 range belong to?
Ofcom has allocated 01458 numbers to 95 providers. The largest holders are BT, GCI Network Solutions Limited and Vodafone Ltd (C&W). 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 01458 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 01458 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.