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U.S. Telephone Services
Customer Service Phone: (+1) 215-516-2000
Hours Mon-Fri, 6:00 am – 11:00 pm (Eastern Standard Time)
Individuals: (+1) 800-829-1040*
Business: (+1) 800-829-4933*
Refund Inquiries: (+1) 800-829-1954*
TeleTax: (+1) 800-829-4477*
Exempt Organization Help Desk: (+1) 877-829-5500*
Tax Offset Program Help Desk (+1) 800-304-3107*
E-Services Help Desk: (+1) 512-416-7750
*800 numbers are not toll free from Bahrain