Phone and broadband providers
Three phone numbers
Edited by Richard BarkerChecked 13 October 2026 to 14 October 2026
Three publishes 8 numbers for you to call on its own website. We list each one with the page it is on (4 pages in all), a short quote from that page and the date we checked it.
Numbers to call Three
What each line is for, as Three describes it, with opening hours where it gives them.
- 0333 338 1001
You call them on this number
Customer services from any other phone
Source: “From any other phone Call us on 0333 338 1001” (opens in a new tab). Checked 14 October 2026.
- 0333 338 1003
You call them on this number
Mobile broadband customer services from any other phone
Source: “From any other phone Call us on 0333 338 1003” (opens in a new tab). Checked 14 October 2026.
- 0800 033 8006
You call them on this number
Order by phone
Source: “Order by phone: 0800 033 8006” (opens in a new tab). Checked 14 October 2026.
- 07782 333333
You call them on this number
Lost or stolen phone or tablet while abroad
Source: “lost or stolen while travelling abroad, call +44 7782 333 333” (opens in a new tab). Checked 13 October 2026.
- 0333 338 1012
You call them on this number
Accessibility team
Source: “0333 338 1012” (opens in a new tab). Checked 13 October 2026.
- 0800 033 8011
You call them on this number
Textphone for the accessibility team
Source: “Textphone 0800 033 8011” (opens in a new tab). Checked 13 October 2026.
- 0333 338 1004
You call them on this number
Three Business customer support (337 from a Three Business phone)
Source: “337 from your Three Business phone 0333 338 1004 from any other line” (opens in a new tab). Checked 13 October 2026.
- 0808 258 0333
You call them on this number
Three Business sales
Hours: Monday to Friday 9am to 6pm
Source: “9am-6pm to get you the best deal. Call us on 0808 258 0333.” (opens in a new tab). Checked 13 October 2026.
How scams that copy phone and broadband providers work
UK Finance says criminals pose as communications providers and ask for remote access to "fix" a problem. The FCA says that once a scammer can see your screen, they can reach your online banking.
This could still be a scam call
Criminals can make their number look like a genuine one (this is called spoofing). If someone calls from this number and asks for money, bank details, a code or passwords, hang up. Then call Three back on a number you've found yourself, such as the one on their own website or on a letter or bill from them.
Safe ways to check
- Three's own contact page (opens in a new tab): Where this number is published.
- Report Fraud (opens in a new tab): Report fraud and cyber crime in England, Wales and Northern Ireland. In Scotland, call Police Scotland on 101.
- Forward scam texts to 7726 (opens in a new tab): It is free, and reports the message to your mobile provider.
- How number spoofing works: Why a genuine number on your screen does not prove who is calling.
Questions about Three’s numbers
What numbers can I call Three on?
Three publishes 8 numbers for the public to call. They include: 0333 338 1001 (Customer services from any other phone); 0333 338 1003 (Mobile broadband customer services from any other phone); 0800 033 8006 (Order by phone). Check the source page for each one before you call, as numbers and opening hours change.
Does Three publish a number on its own website that is not listed here? Suggest a number for Three.
Sources and checks
This page relies on:
- Three: three.co.uk/support/contact-us
- Three: three.co.uk/blog/lost-or-stolen-phone-what-to-do
- Three: three.co.uk/accessibility/contact-us
- Three: three.co.uk/business/help/contact-us
Checked on 13 October 2026 to 14 October 2026. Read how we build the directory. How we check our information. Spotted a mistake? Tell us and we will put it right.