- Prefix
01777 6- Area
- Retford
- Number type
- Geographic landline (01/02)
- Format
01777 6XXXXX- From abroad
+44 1777 6XXXXX- Ofcom blocks in range
- 100
- Blocks in service
- 12
- Range holders
- 12
What are 01777 6XXXXX numbers?
Any UK number matching 01777 6XXXXX sits in the
01777 dialling code for Retford.
Ofcom hands these numbers to communications providers in blocks; this range
contains 100 blocks, of which
12 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Retford area — or
organisations elsewhere that keep a local 01777 presence using
VoIP.
Who holds 01777 6… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| Belgacom International Carrier Services SA | 1 | 01777 608XXX |
| Bink Networks Ltd | 1 | 01777 602XXX |
| DIDWW Ireland Limited | 1 | 01777 601XXX |
| Dial 9 Communications Limited | 1 | 01777 600XXX |
| ICUK Computing Services Limited | 1 | 01777 617XXX |
| INTELLIGENT EXCHANGES LIMITED | 1 | 01777 605XXX |
| KCOM Group Ltd | 1 | 01777 611XXX |
| Lanonyx Telecom Limited | 1 | 01777 610XXX |
| Mi Telecom Limited | 1 | 01777 616XXX |
| Orange Business Holdings UK Limited | 1 | 01777 612XXX |
| SiPalto Ltd | 1 | 01777 613XXX |
| VOXYONDER NETWORK SERVICES UK LTD | 1 | 01777 606XXX |
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 100 blocks Ofcom lists, 80 are protected (reserved by Ofcom and not in use) and 8 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 01777 6… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01777 caller IDs so their calls look like they come from Retford (‘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 01777 6XXXXX 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.