01730 Area Code
The dialling code for Petersfield: what 01730 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01730 Area Code?
Petersfield landline number. 01730 is the dialling code for Petersfield. Numbers starting 01730 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Petersfield.
Who was the range allocated to?
Ofcom has allocated 01730 numbers to 89 providers. The largest holders are BT, Virgin Media 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 01730 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 01730 Range
| Number type | Petersfield landline number |
|---|---|
| Area | Petersfield |
| Number format | 01730 XXXXXX |
| Allocated by Ofcom | 43% of the range, to 89 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 26 January 2026 |
Largest holders of 01730 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 7% | 15 July 1994 |
| Virgin Media Limited | 2% | 24 January 1995 |
| Vodafone Ltd (C&W) | 2% | 10 September 2013 |
| Digital Space Group Limited | 1% | 20 May 2008 |
| GCI Network Solutions Limited | 1% | 26 April 2017 |
| (Aq) Limited | 1% | 12 September 2012 |
83 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01730 Numbers
Where is the 01730 area code?
01730 is the dialling code for Petersfield. Numbers starting 01730 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Petersfield.
Is 01730 a mobile number?
No. 01730 is a landline (geographic) area code for Petersfield. UK mobile numbers start with 07.
Who does the 01730 range belong to?
Ofcom has allocated 01730 numbers to 89 providers. The largest holders are BT, Virgin Media 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 01730 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 01730 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.