BIR National Office Bldg., BIR Road, Diliman, Quezon City, Philippines
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 firstname.lastname@example.org.