T-Mobile Customer Service Phone Number, Support and Reviews

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If you need help with a T-Mobile bill, wireless plan, device upgrade, prepaid refill, Home Internet issue, business account, SIM or eSIM problem, porting issue, fraud concern, cancellation, or account access problem, start with the correct T-Mobile support route. T-Mobile handles customer service through 611, the T-Life app, My T-Mobile, online chat, phone support, prepaid support, business care, Home Internet support, store support, and account security tools.

T-Mobile Customer Service Phone Number and Support

Use the following T-Mobile customer service options for billing, wireless service, prepaid, business accounts, Home Internet, Fiber, devices, payments, cancellations, fraud, and complaints:

Choose the Correct T-Mobile Support Route

T-Mobile support depends on whether your issue involves a postpaid wireless account, prepaid service, business account, Home Internet, Fiber, device, billing, cancellation, porting, fraud, or account security. Choosing the correct route can help reduce transfers and repeated support contacts.

Wireless Customer Service

For regular T-Mobile wireless billing, plans, devices, upgrades, account changes, service problems, roaming, and general support, call 1-800-937-8997 or dial 611 from a T-Mobile phone. You can also message support through the T-Life app, My T-Mobile, or Apple Business Chat.

T-Mobile Prepaid

For T-Mobile Prepaid account help, prepaid number transfers, prepaid eSIM, refills, balance questions, and prepaid plan support, call 1-877-778-2106. For automated prepaid refill payments, use 1-877-720-5195 or dial *ADD from a T-Mobile device.

T-Mobile for Business

For T-Mobile for Business account troubleshooting, billing, Account Hub, business plans, devices, and business lines, use the business care number tied to your account or call 1-855-984-3998. Some T-Mobile business pages also list 1-877-347-2127 for existing business customers and 1-844-428-9675 for business sales or new business inquiries.

T-Mobile Home Internet and Fiber

For T-Mobile 5G Home Internet technical support, call 1-844-275-9310. For T-Mobile Fiber technical support, call 1-844-783-4237. Have your gateway, router, service address, speed test results, and app screenshots ready.

Billing, Payments, and Payment Arrangements

For bill questions, payments, payment arrangements, AutoPay, device financing, charges, taxes, fees, payment posting, or service suspension, log in to My T-Mobile or use the T-Life app. T-Mobile says payment arrangements are self-service, and support teams may guide customers to T-Life to avoid payment support fees.

Fraud, SIM Swap, Port-Out, and Account Security

If you suspect unauthorized account activity, SIM swap fraud, port-out fraud, identity theft, or account takeover, contact T-Mobile immediately by dialing 611 from a T-Mobile phone or 1-800-937-8997 from another phone. Also change passwords for important accounts that use your phone number for verification.

Canceling Service

For cancellation, port-out, deceased account holder support, or closing an account, call T-Mobile customer service. Before canceling, ask about final bills, device payment balances, credits, AutoPay, number transfers, prepaid balances, and any equipment or device return requirements.

What to Have Ready Before Contacting T-Mobile

Before calling T-Mobile customer service, messaging through T-Life, or visiting a store, gather the details that match your issue:

  • T-Mobile phone number or account number
  • Account holder name and billing ZIP code
  • Account PIN or passcode, but do not post it publicly
  • Device make, model, IMEI, SIM, or eSIM details if relevant
  • Bill date, charge amount, payment confirmation, or AutoPay details for billing questions
  • Order number, tracking number, promotion name, or rebate submission number
  • Line number, plan name, add-on, feature, or device installment details
  • Coverage location, ZIP code, signal strength, and troubleshooting steps already tried
  • Gateway or router details for Home Internet issues
  • Port-out PIN, transfer PIN, or current carrier information if switching numbers, but do not share these publicly
  • Fraud details, suspicious messages, unauthorized changes, and dates if reporting account security issues
  • Prior case numbers, chat transcripts, emails, or representative notes

Common T-Mobile Customer Service Issues

Customers commonly contact T-Mobile customer service for help with:

  • Wireless billing, taxes, fees, device payments, and plan charges
  • Payment arrangements, past-due balances, suspensions, and restore fees
  • Device upgrades, trade-ins, promotions, rebates, and order status
  • New service, switching carriers, number transfers, and porting problems
  • SIM cards, eSIM activation, lost or stolen phones, and device unlocks
  • Network coverage, dropped calls, slow data, roaming, and international service
  • T-Mobile Prepaid refills, balance questions, and prepaid account access
  • T-Mobile Home Internet speed, gateway, Wi-Fi, and connection problems
  • T-Mobile Fiber support and installation questions
  • T-Mobile for Business billing, lines, devices, and Account Hub
  • Canceling service, final bills, AutoPay, and remaining device balances
  • Fraud, SIM swap, port-out scams, scam calls, spam texts, and account security

T-Mobile Billing, Charges, and Payment Arrangements

If your T-Mobile bill changed, compare the current bill with the previous bill. Billing changes may come from plan changes, device financing, promotions ending, taxes, fees, roaming, international calling, late fees, subscriptions, device protection, restore fees, bill reprint fees, or payment support charges.

T-Mobile says payment arrangements are available to eligible postpaid customers who need more time to pay. T-Mobile says the account must be less than 30 days past the due date to start a payment arrangement, and balances that are 31 or more days past due must be paid first. Payment arrangements can be set up in T-Life, My T-Mobile, or the automated phone system.

T-Mobile Devices, SIM, eSIM, and Activation Help

If your device will not activate, your SIM or eSIM is not working, your phone will not connect to the network, or your device shows no service, start with T-Mobile device troubleshooting. Make sure the phone is compatible, unlocked if purchased elsewhere, updated, and connected to Wi-Fi if activating eSIM.

For lost or stolen phones, suspend the line quickly, change passwords for important accounts, and contact T-Mobile for SIM or device replacement options. If device protection or a claim is involved, you may also need the claim provider tied to your plan.

T-Mobile Prepaid Help

T-Mobile Prepaid customers can use self-service tools for refills, balances, account activity, prepaid plan changes, number transfers, eSIM support, and account PIN updates. For prepaid customer service, call 1-877-778-2106.

For refill payments, T-Mobile says customers can pay for free through the automated IVR by dialing *ADD from a T-Mobile device or calling 1-877-720-5195. Support from a Care expert for prepaid payment assistance may result in a payment support charge.

T-Mobile Home Internet and Fiber Support

If your T-Mobile Home Internet is slow, not connecting, dropping, or showing poor gateway signal, use the T-Life app, restart the gateway, check placement, test speed close to the gateway, and call 1-844-275-9310 for technical support if the problem continues.

For T-Mobile Fiber, use 1-844-783-4237 for technical support. Have your service address, equipment details, outage timing, and troubleshooting results ready before calling.

T-Mobile Business Support

T-Mobile for Business customers may have different support routes depending on account type, account size, billing platform, account manager, and Account Hub access. Use Business Care, Account Hub, or the business support hub for billing, lines, orders, device management, and business account troubleshooting.

If you are not sure which business number applies, start with the support number listed in your business account, invoice, or Account Hub. Existing business customers can also dial 611 from a T-Mobile phone.

T-Mobile Cancellations, Final Bills, and Number Transfers

Before canceling T-Mobile service, ask about final bill timing, device installment balances, trade-in credits, promotional credits, AutoPay, watch/tablet/hotspot lines, home internet equipment, prepaid balances, and whether your number will be ported to another carrier.

If you want to keep your number, start the number transfer process before canceling service. If the line is canceled first, you may lose access to the number. For prepaid number transfers, T-Mobile says prepaid customers can call 1-877-778-2106.

T-Mobile Fraud, Scam, SIM Swap, and Port-Out Warnings

Be careful with calls, texts, emails, social media messages, or search ads claiming to be T-Mobile support, device upgrade teams, bill collectors, rebate departments, or fraud departments. Scammers may try to get your account PIN, one-time code, port-out PIN, SIM details, payment card, or login credentials.

  • Use T-Mobile.com, the T-Life app, 611, or 1-800-937-8997 before sharing account information.
  • Do not share one-time codes, account PINs, passwords, or port-out PINs with an unverified caller.
  • If your phone suddenly loses service and you suspect SIM swap fraud, contact T-Mobile immediately from another phone.
  • Use T-Mobile account security features such as account PIN/passcode, biometric security, and port-out protections where available.
  • Use Scam Shield and T-Mobile spam/scam tools to manage suspicious calls and texts.
  • Do not trust random “T-Mobile support” numbers posted in ads, comments, or unofficial directories.
  • If banking, crypto, email, or social accounts use your T-Mobile number for verification, secure those accounts immediately after suspected SIM swap or account takeover.

T-Mobile Reviews and Complaints

The live CSN page currently shows 0 out of 5 stars based on 0 reviews for T-Mobile. Because there are no live CSN reviews yet, there is not enough CSN feedback to summarize current review themes for this page.

Customers comparing wireless carriers may want to consider network coverage, plan pricing, device promotions, trade-in requirements, billing transparency, roaming rules, prepaid vs postpaid support, Home Internet availability, store support, account security, and how quickly billing or fraud issues are escalated.

How to Escalate a T-Mobile Complaint

If your T-Mobile issue is not resolved after your first support contact, take these steps:

  1. Write down the date, time, phone number, app route, chat route, store location, and summary of each contact.
  2. Ask for a case number, ticket number, order number, fraud case number, or promotion/rebate reference.
  3. For billing disputes, save bills, payment confirmations, promotion terms, device installment records, and screenshots.
  4. For trade-in or promotion issues, save the offer terms, trade-in tracking, device condition photos, and submission confirmation.
  5. For coverage or network issues, document the location, time, device, signal strength, and troubleshooting steps.
  6. For Home Internet issues, save gateway signal readings, speed tests, outage details, and support notes.
  7. For suspected fraud, contact T-Mobile immediately, secure related accounts, and keep copies of alerts and unauthorized-change notices.
  8. Reply through the same support thread when possible instead of opening duplicate cases.

T-Mobile Competitors and Related Customer Service Pages

If you are comparing wireless carriers, prepaid providers, or internet options, you may also want to review these related CSN pages:

Related Resources

T-Mobile Customer Service FAQs

What is the T-Mobile customer service phone number?

The main T-Mobile customer service phone number is 1-800-937-8997. Customers can also dial 611 from a T-Mobile phone.

What are T-Mobile customer service hours?

T-Mobile lists Customer Care representatives as available daily from 4:00 AM-9:00 PM Pacific Time. T-Mobile’s Team of Experts is listed as available 7:00 AM-9:00 PM local time.

What is the T-Mobile Prepaid customer service number?

The T-Mobile Prepaid customer service number is 1-877-778-2106. For automated prepaid refill payments, call 1-877-720-5195 or dial *ADD from a T-Mobile device.

What is the T-Mobile Business customer service number?

T-Mobile lists several business support routes. Business Care is listed at 1-855-984-3998. Another T-Mobile business page lists 1-877-347-2127 for existing business customers and 1-844-428-9675 for business sales or new business inquiries.

What is the T-Mobile Home Internet support number?

The T-Mobile 5G Home Internet technical support number is 1-844-275-9310. T-Mobile Home Internet sales support is 1-844-839-5057.

What is the T-Mobile Fiber support number?

The T-Mobile Fiber technical support number is 1-844-783-4237.

How do I contact T-Mobile about fraud or SIM swap?

If you suspect unauthorized account activity, SIM swap, port-out fraud, or identity theft, contact T-Mobile immediately by dialing 611 from a T-Mobile phone or 1-800-937-8997 from another phone.

How do I set up a T-Mobile payment arrangement?

T-Mobile says payment arrangements are self-service for eligible postpaid customers. Use T-Life, My T-Mobile, or the automated phone system. Your account must generally be less than 30 days past due to start an arrangement.

How do I cancel T-Mobile service?

Call T-Mobile customer service at 1-800-937-8997 or dial 611 from a T-Mobile phone. Ask about final bills, device payment balances, AutoPay, credits, and number transfer before canceling.

What is T-Mobile’s corporate address?

T-Mobile USA, Inc. is commonly listed at 12920 SE 38th Street, Bellevue, WA 98006. The corporate phone number listed on COH is 1-425-378-4000.

Page Update Note

Updated June 2026: This page was refreshed with current T-Mobile customer service routing for wireless support, prepaid, business, Home Internet, Fiber, billing, payment arrangements, devices, SIM/eSIM, cancellations, fraud, scam warnings, and escalation.

Why Trust CustomerServiceNumbers.com?

CustomerServiceNumbers.com has provided customer service phone numbers, company contact details, and consumer review information since 2004. CSN is an independent consumer information website and is not owned by T-Mobile, T-Mobile USA, Inc., Deutsche Telekom, Metro by T-Mobile, Mint Mobile, or any wireless carrier. We help customers find support routes, compare service experiences, and share reviews about customer service interactions.

Share Your Experience

Have you contacted T-Mobile customer service about billing, coverage, prepaid service, Home Internet, Fiber, device upgrades, trade-ins, promotions, payment arrangements, cancellations, SIM/eSIM, porting, fraud, or complaint escalation? Share your experience below to help other customers understand what to expect. Do not post phone numbers, account numbers, account PINs, port-out PINs, IMEI numbers, SIM details, payment details, addresses, or screenshots with private account information.

Customer Service Numbers Disclaimer

CustomerServiceNumbers.com is not affiliated with T-Mobile, T-Mobile USA, Inc., Deutsche Telekom, Metro by T-Mobile, Mint Mobile, or any wireless carrier. Phone numbers, links, addresses, hours, support options, payment rules, prepaid terms, business support routes, Home Internet support routes, cancellation rules, fraud processes, and account policies may change. Always verify important account, billing, device, plan, payment, cancellation, prepaid, business, internet, fraud, and support information directly with T-Mobile or the appropriate official support provider.

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