Coverage in your area
Ultra Mobile runs on the T-Mobile 5G network. Check your coverage below to ensure you’ll always have wireless service in your area.See our coverage map
Our SIM kit includes Nano, Micro, and Standard sizes to fit any device you have.
Follow the directions included in your SIM kit to activate, then decide whether to keep your number or get a new one.
Insert your SIM and enjoy your service!
Transferring your number onto Ultra is easy. Just be sure to call your current wireless carrier and confirm the following information before you activate:
NOTE: Keep your current service active until you activate your Ultra SIM.
If you choose to get a new number during activation, simply enter your zip code, choose your language preference, choose “Activate A New Number,” and follow the prompt. It’s that easy.
Our reliable and experienced Multilingual Customer Care Team is available by phone or chat to help make your Ultra experience seamless.