- Prefix
0330- Number type
- UK-wide non-geographic
- Cost to call
- Same as 01/02 calls; included in inclusive minutes
- Geographic
- No – UK-wide
- Ofcom blocks in range
- 1,000
- Blocks in service
- 303
- Range holders
- 150
What are 0330 numbers?
Numbers starting 0330 are UK uk-wide non-geographic
numbers in Ofcom’s 03 numbers
range. They are not tied to any town or city. Ofcom currently lists
1,000 number blocks under 0330, of which
303 are allocated to
150 providers.
Who uses 0330 numbers?
Public bodies, charities and national businesses that want one number for the whole UK without tying it to a town.
Who holds 0330 number ranges?
| Range holder (allocated by Ofcom) | Number blocks | Example range |
|---|---|---|
| Thumbtel Ltd | 26 | 0330 061 XXXX |
| Gamma Telecom Holdings Limited | 21 | 0330 016 XXXX |
| Vodafone Ltd (C&W) | 18 | 0330 018 XXXX |
| GCI Network Solutions Limited | 9 | 0330 037 XXXX |
| BT | 8 | 0330 014 XXXX |
| Barritel Limited | 8 | 0330 012 XXXX |
| Network Rail Infrastructure Limited | 7 | 0330 852 XXXX |
| Lumen Technologies UK Limited | 6 | 0330 060 XXXX |
| Voiceflex Limited | 6 | 0330 055 XXXX |
| Citrus Telecommunications Ltd | 5 | 0330 020 XXXX |
| EE Limited (Orange) | 5 | 0330 372 XXXX |
| Colt Technology Services | 4 | 0330 236 XXXX |
…and 138 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.
How often is 0330 checked?
49 people checked an 0330 number with this tool in the four weeks to 20 September 2026. That makes it the 2nd most-checked 03 range on this site out of 88 with any checks at all.
Checks per week (weeks ending on the dates shown). Our own lookup data, counted once per person per number per day, with Ofcom’s drama/example ranges excluded and refreshed weekly. It measures how many people were curious enough to check a number in this range — it is not a count of scam calls, and it says nothing about any individual number. The quarterly nuisance-call prefixes report puts every range side by side.
Scam & cost warnings
0330 numbers are low-risk for callers because Ofcom caps their cost at the 01/02 rate — but scammers still use and spoof them precisely because they look official. An 0330 caller ID is not proof you’re talking to a government body or bank.
Check a specific 0330 number
Paste the full number into the checker above to see its range holder and allocation status from this week’s Ofcom data — free, no sign-up.
Related 03 prefixes
03 numbers guide › · All UK number ranges › · Nuisance-call data & reports ›