BIR National Office Bldg., BIR Road, Diliman, Quezon City, Philippines

Trunkline: 9817000

Temporary Trunklines: 981-7452; 981-7419; 981-7478; 981-7479

TIN Verification Direct Lines: 981-7250; 981-7251; 981-7252

Taxpayers may directly contact the Customer Assistance Division (CAD), formerly BIR Contact Center, for their tax queries and concerns using the following new numbers:

        981-7345; 981-7347; 981-7348; 981-7366; 981-7368

Taxpayers may also e-mail their tax queries and concerns at