800-672-5390

T-Mobile Customer Service

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First, call 800-672-5390Direct to web and telesales support department.

In general, help is available at this phone number for: customer problemssupportcustomer careissuesquestionsbillingsalescustomer service

This number by the numbers

avg wait12 mins
call hours6am-10pm EST
SERVEST-Mobile Customers
RANK#4 phone number
RANK OVERALL#5 overall

Other useful info

844-586-1308New Customers