3 Mobile

0844 826 8076

Contact 3 Mobile in the first instance by dialling 0844 826 8076. This will connect you with the 3 Mobile sales team, who can help to resolve your immediate queries. Since first establishing in Hong Kong in 2002, the international brand has gained over 130 million registered customers worldwide.

3 Mobile Contact Numbers

Call the relevant helpline below during the following opening hours for information and assistance from 3 Mobile. Business customers can only call their helpline during regular business hours, but other departments are available over the weekend.

Department
Phone Number
Opening Times
Sales
0844 826 8076
(Mon-Fri) 8am – 8pm
(Sat-Sun) 9am – 6pm
Contracts
0843 218 9631
(Mon-Fri) 8am – 8pm
(Sat-Sun) 9am – 6pm
Business
0843 596 4174
(Mon-Fri) 9am – 5.30pm
(Sat-Sun) Closed
Coverage
0843 596 4175
(Mon-Fri) 8am – 8pm
(Sat-Sun) 9am – 6pm
Technical Support
0843 596 4176
(Mon-Fri) 8am – 8pm
(Sat-Sun) 9am – 6pm
Media Centre
0844 248 2639
(Mon-Fri) 8am – 8pm
(Sat-Sun) 9am – 6pm

Sales

As mentioned, the main helpline to reach 3 Mobile staff is the sales helpline. Call 0844 826 8076 to reach the team if you are interested in making a purchase from 3 Mobile, or upgrading a current service. Find out how to trade-in old 3 Mobile devices if you’re buying a new one. You can request further information, and compare plans and prices.

Contracts

Call 0843 218 9631 when you have any questions about your 3 Mobile contract. Receive guidance on registering a My3 account to set up direct debit payments and save £5 a month. You can use My3 to buy Add-Ons, but will have to phone up to remove any of them. Call with questions about your bills, or if you want to change or cancel your existing plan.

Business

3 Mobile offers phones, SIMs, and mobile Wifi devices to suit the needs of any business. Every business mobile phone can even get 4G at no extra cost with a simple free software update. If you are an existing business customer, you can call 0843 596 4174 to manage your account and services. Otherwise, call to make a sales enquiry for your business.

Coverage

For calls regarding your data roaming and network coverage, dial 0843 596 4175 for information and updates. Call this number to check on your local 3G or 4G network status if you’re experiencing signal connectivity issues. You can also call to activate international roaming ahead of travelling, so you can use 3 Mobile services abroad.

Technical Support

The technical support department is here to fix any issues you might have with your 3 Mobile SIM or devices. Call 0843 596 4176 for advice on setting up a new device, including activating a new SIM. You can call to arrange transferring your old phone number to 3 Mobile, unlock devices, and to organize repairs or replacements.

Media Centre

If you are a journalist working for a media publication, contact 3 Mobile on 0844 248 2639 for press enquiries. The Media Centre provides press releases on the latest 3 Mobile developments, including all the facts and figures you’ll need. You can also reach out to them by e-mail at the address three@headlandconsultancy.com.

Other Ways to Contact 3 Mobile

You can contact 3 Mobile’s social media team on Facebook and Twitter. They are on hand to help you 8am to 8pm on weekdays and 9am to 8pm on weekends. However, they cannot resolve account-specific issues through these platforms. You will need to fill out an online form for this, and wait up to 3 days for a reply. To notify 3 Mobile of a change of name, or make a written complaint, send a letter to Customer Services. You can also send corporate or press correspondence to the Head Office.

Department
Address
Customer Services
Three Customer Services
Hutchison 3G UK Ltd
PO Box 333
Glasgow
G2 9AG
Head Office
Hutchison 3G UK Ltd.
Star House
20 Grenfell Road
Maidenhead
SL6 1EX