We make getting connected easier.
Choose a plan. Compare offers. Get help activating. Mobile and internet for your business or home.
Keeping you connected as you grow.
Business phones, mobile plans and internet. Find the services that fit your needs.
OnPremise PBX
Hosted office phone system with all features you need.
Virtual eFax
Sending and receiving fax using email. Fast and easy.
Work from Home
Extensions and virtual numbers in different locations.
Find Me/Follow Me
Ring to desk phone and mobile phone simultaneously.
T-Mobile.
Made simple
with Sun Tech.
We help you choose a plan, compare eligible offers, and get connected.
For your business, your team and your home.
What do you need?
Business, personal and family plans — mobile and 5G internet.
Business Mobile
One line or a growing team. We'll help you find a plan that fits.
Get a mobile quote5G Business Internet
Internet for your office or store. Let us check your address and options.
Check availabilityPersonal & Family Mobile
Phone plans for you and your family. We'll help you compare the options.
Find my phone plan5G Home Internet
Explore an internet option for your home. Start with an address check.
Check my addressPlans and offers depend on eligibility. Internet availability varies by address.
Why Choose Sun Tech?
T-Mobile connectivity. Personal service. From choosing your plan to managing your account.
More value for your budget.
Explore competitive T-Mobile plans, multi-line options and eligible promotions. We help you compare monthly costs and find opportunities to save.
Nationwide 5G for work and life.
Connect with T-Mobile's nationwide 5G network. We help check coverage, device compatibility and internet availability so you can choose with confidence.
Your language. Your peace of mind.
Get help in English or Chinese, from comparing plans to understanding your bill. Clear answers, in the language you're comfortable with.
Account help beyond activation.
Need to add or remove a line, review your bill or change a plan? Sun Tech helps you manage account requests and coordinate the next steps.
Offers and savings depend on plan and eligibility. Coverage and speeds vary by location and device. Coverage details
Before you switch.
The four questions we hear most before a business switches to T-Mobile.
Can I keep my phone and number?
Often, yes. We'll check whether your phone is unlocked and compatible, and whether your number can be transferred.
How much will it cost?
We'll help you compare plans, eligible offers and monthly costs, including applicable taxes, fees and device charges.
Can I get internet at my address?
Send us your business or home address, and we'll help check availability.
Can you help me manage my account?
Yes. We assist with billing questions, line changes and plan reviews, and help coordinate account requests. Support is available in English and Chinese.
Your next plan
starts here.
Tell us what you need. We'll help you choose.
469-277-20001201 International Pkwy, Ste 180
Richardson, TX 75081