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Current and former TSC employees can provide proof of employment and income with secure, 24/7 access through a phone number and website.

For employees initiating verification

Supply the firm or agency with the following:

  • Your social security number
  • TSC’s employer code: 107109
  • A salary key may be required for proof of employment plus income. Employees can request one via or calling 1-866-604-6572

Employment Verification as an Outside Firm

March. 3, 2018 – Present

  • Employee social security number
  • TSC’s employer code: 107109
  • Salary key provided by the employee (if you are verifying salary)

To complete verification: visit or call 1-800-367-5690 and select the “Enter Verifier Section” link

Employments Terminated Before March 3, 2018

Please contact TSC Human Resources at: or 1-703-251-6405

Direct Requests for Employment Verification

  • Do not perform any employment or income verification by phone. Inform the verifier that we use The Work Number to provide automated employment and income verification.
  • Provide The Work Number contact information: and 1-800-367-5690
  • Provide the TSC employer code: 107109

For Additional Assistance, Contact

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