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Dover DE Tax Office 540 S. Dupont Highway 19901

Dover DE Tax Office is here to help if you need to resolve a tax problem, have questions about how the tax law applies to your individual tax return, or you’re more comfortable talking with someone face-to-face, no appointment is necessary.

IRS Tax Office Dover 611 S. Dupont Hwy.
Dover, DE 19901		 Monday-Friday – 8:30 a.m.- 4:30 p.m. (302) 678-2784
State Tax Office Dover Thomas Collins Building
540 S. Dupont Highway
Dover, DE 19901		 Phone: 302.744.1085
Fax:     302.744.1095
1.800.292.7826 (Delaware Only)



PLEASE NOTE: ALL WALK-IN IRS OFFICES ARE BY APPOINTMENT ONLY UNLESS YOU ARE MAKING A PAYMENT (CHECK OR MONEY ORDER) OR SUBMITTING A CURRENT YEAR RETURN. CASH PAYMENTS NEED AND APPOINTMENT. FOR APPOINTMENTS PLEASE CALL 1-844-545-5640.

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Taxoffices.org is a private website not a government website. If you have questions on your taxes it is always best to consult with a certified tax accountant in your state. The Tax Relief Helpline is NOT A State Government or IRS service and is not affiliated with taxoffices.org.