01708 Area Code
The dialling code for Romford: what 01708 numbers are, who holds them, and what to do about a call you don't recognise.
What Is the 01708 Area Code?
Romford landline number. 01708 is the dialling code for Romford. Numbers starting 01708 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Romford.
Who was the range allocated to?
Ofcom has allocated 01708 numbers to 103 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 01708 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 01708 Range
| Number type | Romford landline number |
|---|---|
| Area | Romford |
| Number format | 01708 XXXXXX |
| Allocated by Ofcom | 64% of the range, to 103 providers |
| First allocation on record | 15 July 1994 |
| Most recent allocation | 9 September 2026 |
Largest holders of 01708 numbers
| Provider (as allocated by Ofcom) | Share of range | First allocated |
|---|---|---|
| BT | 28% | 15 July 1994 |
| Virgin Media Limited | 6% | 16 May 1995 |
| Vodafone Ltd (C&W) | 3% | 14 October 2013 |
| Gamma Telecom Holdings Limited | 2% | 5 April 2004 |
| Sky UK Limited | 2% | 20 June 2013 |
| AQL Wholesale Ltd | 2% | 1 November 2004 |
97 more providers hold smaller blocks.
Allocation data: Ofcom numbering data, as published 28 October 2026.
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Common Questions About 01708 Numbers
Where is the 01708 area code?
01708 is the dialling code for Romford. Numbers starting 01708 are landline numbers for that area. Internet phone services can use them too, so a caller is not necessarily in Romford.
Is 01708 a mobile number?
No. 01708 is a landline (geographic) area code for Romford. UK mobile numbers start with 07.
Who does the 01708 range belong to?
Ofcom has allocated 01708 numbers to 103 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 01708 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 01708 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.