Licenses & patents

Debt Collection Licenses

Some states require T-Mobile to have a debt collection license included in our communications. The debt collection licensing requirements may vary by state and depend on specific services offered.


License numbers for each state that requires it:

California: #11141-99

Iowa: Not Applicable

Louisiana: Not Applicable


T-Mobile USA Inc, is licensed under the following, and related Ronald A. Katz Technology Licensing, L. P. United States Patents: 5,128,984; 5,561,707; 5,684,863; 5,815,551; 5,828,734; 5,917,893; 5,898,762; 5,974,120; and others.