- Prefix
01740 7- Area
- Sedgefield
- Number type
- Geographic landline (01/02)
- Format
01740 7XXXXX- From abroad
+44 1740 7XXXXX- Ofcom blocks in range
- 64
- Blocks in service
- 21
- Range holders
- 7
What are 01740 7XXXXX numbers?
Any UK number matching 01740 7XXXXX sits in the
01740 dialling code for Sedgefield.
Ofcom hands these numbers to communications providers in blocks; this range
contains 64 blocks, of which
21 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Sedgefield area — or
organisations elsewhere that keep a local 01740 presence using
VoIP.
Who holds 01740 7… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| GCI Network Solutions Limited | 10 | 01740 770XXX |
| Virgin Media Limited | 4 | 01740 740XXX |
| DRD Communications Limited | 2 | 01740 730XXX |
| Vodafone Ltd (C&W) | 2 | 01740 709XXX |
| Linear Telecoms Limited | 1 | 01740 710XXX |
| Magrathea Telecommunications Limited | 1 | 01740 76XXXX |
| Nationwide Telephone Assistance Ltd | 1 | 01740 75XXXX |
Ofcom’s data shows the provider each number range was originally allocated to — not who holds an individual number today. Numbers are frequently moved (ported) between providers, and no public database reveals the person or business behind a specific number, so treat any service that claims to with suspicion.
Not every block in this range is in service: of the 64 blocks Ofcom lists, 43 are protected (reserved by Ofcom and not in use). A call appearing to come from an unallocated block is a strong sign of a spoofed number.
Is a call from a 01740 7… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01740 caller IDs so their calls look like they come from Sedgefield (‘neighbour spoofing’). If an unexpected caller asks for personal, banking or one-time-code details, hang up and ring the organisation back on a number you find independently. To put a name to a caller, see who called me?; to report one, see how to report a scam number.
Check a specific 01740 7XXXXX number
Paste any full number into the checker above (or on the main phone number checker) to see its exact range holder and allocation status from this week’s Ofcom data.
Run mobiles for a business? See our business mobile network comparison or get a quote.
More 01740 number ranges
Full 01740 Sedgefield area-code guide › · All UK area codes ›