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Welcome to T-Mobile 21
Activating Service
If your service has not been activated, then follow the steps in this
section to activate. The T-Mobile Activations representative will set
up your service and assign your mobile number. It takes about 20
minutes to activate voice service and may take up to 24 hours to
activate data service. Business and government accounts may take
additional time to activate voice and data service. By activating
service, you acknowledge that you have read and agreed to the terms
and conditions of the Service Agreement.
1. Have your Service Agreement and the following information
ready for your Activations representative:
Name, home address, home phone, preferred billing address
Note For business and government accounts, your Activations
representative will also require your physical address, company
name or government agency name, and the tax ID.
Social Security number, current driver’s license number, and
date of birth for credit-check purposes
Model number of your phone (T-Mobile phone)
SIM serial number (on the back of the SIM card)
IMEI number (on the label under the battery)
Agent code (on your service agreement)
Your choice of T-Mobile rate plans and services
2. Call Customer Care at 1-800-937-8997 from a landline phone.
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