Calls cost 7p/min plus your operator’s access charge.

About 3 Mobile

3 or Three is a larger mobile network in the UK and ranks as the fourth largest in the country. The mobile brand is owned by Hutchison Whampoa, an investment company that is based in Hong Kong. The customer service functions for Three are easy for UK customers to access. The main Three contact number is 0843 504 3663, and you can call it for general questions and to have your call forwarded to the correct department. You can also call an alternate 3 telephone number to get assistance with specific problems, concerns or requests, as discussed below.

General Customer Service

The general Three phone number will connect you with the company’s general customer service department. The number is 0843 504 3663. Calls are answered at this 3 telephone number during regular business hours, which are 8:00 to 21:00 Monday to Friday and 9:00 to 20:00 on Saturday and Sunday. The main customer service number is where you should direct questions about using your device, your account or your bills. You can also call to update your personal information, to ask a general question about 3 service or to lodge a complaint.

Sales and Upgrades

To provide the best possible customer service, 3 has a separate Three contact number for sales. If you do not currently have a 3 personal or business account, the Three mobile telephone number to call for assistance is 0843 504 3663. The sales team is available every day of the week from 8:00 to 22:00. By calling the number, you can learn more about the plans and services that are offered by Three and even sign up for the right plan for your needs by phone. If you’re currently a 3 customer and want to upgrade your plan, you can contact Three on 0843 504 3663. Customer service is available at this phone number every day from 9:00 to 18:00.

Order Support

Three is known for fast, reliable shipping of new devices, but you may find yourself with questions about when you can expect to receive your new device. To get help with matters related to deliveries and previous orders, you’ll want to call the customer services number listed above. Having your order information or confirmation number in front of you when you call the telephone number will help you get service as fast as possible. You can contact the support line during general business hours, Monday to Friday from 8:00 to 21:00 and Saturday and Sunday from 9:00 to 20:00.

Lost and Stolen Devices

If you have lost your mobile or you believe it has been stolen, report the problem to customer service immediately at the Three phone number on 0843 504 3663. According to their Terms and Conditions, you could be liable for any charges accrued on your account between the time you lost the phone or it was stolen and when you call the customer service number (unless you are insured). Once you call the contact number, your SIM card will be disabled. If you happen to find your phone, you can call customer service to have it turned back on.

Important Information: This is a call connection service offered by Mobile Network Guide. When you call the Three Contact Number above, your call will be connected directly to a member of the 3 Customer Service team. Other numbers can be found on the official website or within the public domain.