- Prefix
01883 9- Area
- Caterham
- Number type
- Geographic landline (01/02)
- Format
01883 9XXXXX- From abroad
+44 1883 9XXXXX- Ofcom blocks in range
- 91
- Blocks in service
- 15
- Range holders
- 15
What are 01883 9XXXXX numbers?
Any UK number matching 01883 9XXXXX sits in the
01883 dialling code for Caterham.
Ofcom hands these numbers to communications providers in blocks; this range
contains 91 blocks, of which
15 are allocated and usable. Calls from these
numbers are typically homes and businesses in the Caterham area — or
organisations elsewhere that keep a local 01883 presence using
VoIP.
Who holds 01883 9… number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| BT | 1 | 01883 912XXX |
| Belgacom International Carrier Services SA | 1 | 01883 908XXX |
| Bink Networks Ltd | 1 | 01883 919XXX |
| Colt Technology Services | 1 | 01883 903XXX |
| DIDWW Ireland Limited | 1 | 01883 901XXX |
| Dial 9 Communications Limited | 1 | 01883 905XXX |
| EVE CONNECT LTD | 1 | 01883 900XXX |
| Gamma Telecom Holdings Limited | 1 | 01883 913XXX |
| ICUK Computing Services Limited | 1 | 01883 909XXX |
| KCOM Group Ltd | 1 | 01883 911XXX |
| Mi Telecom Limited | 1 | 01883 906XXX |
| Orange Business Holdings UK Limited | 1 | 01883 910XXX |
…and 3 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 91 blocks Ofcom lists, 71 are protected (reserved by Ofcom and not in use) and 5 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 01883 9… number safe?
A local-looking number is never proof of who is calling: fraudsters spoof 01883 caller IDs so their calls look like they come from Caterham (‘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 01883 9XXXXX 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.
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