How much does it cost to call a 0331 number?

Same as 01/02 calls; included in inclusive minutes. Ofcom rules guarantee this.

Is a call from a 0331 number a scam?

It can be. Caller IDs can be spoofed and scammers favour official-looking prefixes, so treat unexpected calls with caution: never share personal, banking or one-time-code details, and verify the organisation on a number you find independently.

Can I get a 0331 number for my business?

Yes - 0331 numbers can be set up on a hosted phone system and pointed at any line or device. Use The Geeks can provision one (or port an existing number) as part of a hosted telephony setup.

0331 Numbers – Who Called You, What They Cost & Who Uses Them

Prefix: 0331
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: 208
Blocks in service: 75
Range holders: 1

What are 0331 numbers?

Numbers starting 0331 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 208 number blocks under 0331, of which 75 are allocated to 1 providers.

Who uses 0331 numbers?

Public bodies, charities and national businesses that want one number for the whole UK without tying it to a town.

Who holds 0331 number ranges?

Range holder (allocated by Ofcom)	Number blocks	Example range
BT	75	`0331 143 XXXX`

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 0331 checked?

33 people checked an 0331 number with this tool in the four weeks to 20 September 2026. That makes it the 3rd most-checked 03 range on this site out of 88 with any checks at all. Checks were down 73% in the latest week compared with the week before.

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

0331 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 0331 caller ID is not proof you’re talking to a government body or bank.

Check a specific 0331 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

0300 0303 0306 0330 0333 0343 0344 0345 0370 0371 0372

03 numbers guide › · All UK number ranges › · Nuisance-call data & reports ›

0331 numbers – who called you, and what do they cost?