Below is a release from the Department of Revenue and Taxation. The Governor’s Office sends this on their behalf:

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Department of Revenue and Taxation appreciates your patience in our continued efforts to improve customer service.  We would like to provide you with the direct telephone lines (listed below) to our various branches within the department. Some of the numbers listed in local telephone directories are outdated. The voice mail system for these numbers has been activated to provide customers the additional option of leaving a message for the staff to return your call. Another form of communication will be to email your questions or concerns to our staff.  Our website, www.guamtax.com, lists all the employees and their respective division on the left column listed under the email directory. To view the email directory, click here:
https://www.guamtax.com/about/directory.html;jsessionid=UedGRXOiTLLVQEIjQ_CYrx4a4LhXE24kg7V3ep_KZFg=

Branch

Direct Line

Director’s Office

635-1817

Criminal Investigation

635-1867

Tax Examination

635-1882

Tax Collection

635-1861

Income Tax Assistance & Processing

635-7618

Electronic Data Processing

635-7618

Business Privilege Tax (GRT)

635-1835

Tax Accounting

635-1824

Real Property Tax

635-1896

Insurance, Securities, Banking & Real Estate

635-7664

General Licensing & Registration

635-7674

Compliance (ABC)

635-7657

Weights & Measures

635-7661

Motor Vehicle

635-1887

Motor Carrier Safety Assistance Program

635-1750

Passport

635-7643

Technical Research and Appeal Bureau

635-1813

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