- Prefix
01856 5- Area
- Orkney
- Number type
- Geographic landline (01/02)
- Format
01856 5XXXXX- From abroad
+44 1856 5XXXXX- Ofcom blocks in range
- 55
- Blocks in service
- 26
- Range holders
- 18
What are 01856 5XXXXX numbers?
Any UK number matching 01856 5XXXXX sits in the
01856 dialling code for Orkney.
Ofcom hands these numbers to communications providers in blocks; this range
contains 55 blocks, of which
26 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Orkney area — or
organisations elsewhere that keep a local 01856 presence using
VoIP.
Who holds 01856 5… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| Gamma Telecom Holdings Limited | 5 | 01856 520XXX |
| Vodafone Ltd (C&W) | 5 | 01856 560XXX |
| 24 Seven Cloud Communications Ltd | 1 | 01856 503XXX |
| Belgacom International Carrier Services SA | 1 | 01856 508XXX |
| Bink Networks Ltd | 1 | 01856 513XXX |
| DIDWW Ireland Limited | 1 | 01856 506XXX |
| Dial 9 Communications Limited | 1 | 01856 502XXX |
| Digitech Solutions Global Limited | 1 | 01856 530XXX |
| EVE CONNECT LTD | 1 | 01856 500XXX |
| Flextel Limited | 1 | 01856 58XXXX |
| ICUK Computing Services Limited | 1 | 01856 501XXX |
| KCOM Group Ltd | 1 | 01856 514XXX |
…and 6 more providers hold smaller allocations in this range.
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 55 blocks Ofcom lists, 22 are protected (reserved by Ofcom and not in use) and 7 are free/unallocated. A call appearing to come from an unallocated block is a strong sign of a spoofed number.
Is a call from a 01856 5… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01856 caller IDs so their calls look like they come from Orkney (‘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 01856 5XXXXX 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.