The toll free telephone number for T-Mobile is 855-403-1497. Contact a sales representative at T-Mobile to hear their latest discounts and offers. Subscribers can receive a free handset with any new T-Mobile service contract. Those who are interested in contacting T-Mobile can dial their telephone number toll free. Speak with a T-Mobile sales representative to order a service plan and hear the latest discounts available. Start your new service with T-Mobile by dialing their toll free phone number to speak with a sales associate immediately. For a limited time you can subscribe to 2 unlimited lines for $100 a month. When you pre-order the latest Samsung phone you will also receive a free VR headset for your entertainment. The latest T-Mobile cell phone service plans start at only $40 per line. Join T-Mobile by calling their sales associates when you dial the toll free telephone number above. Individuals are able to bring their own cell phone with T-Mobile and enjoy unlimited data, calls, and texts. Prepaid cell phone service subscriptions are available to those who contact T-Mobile at their toll free telephone number. Call toll free to hear the latest discounts and rates for your unlimited T-Mobile plan.