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Delaware Tax Office Phone Numbers

Type of Tax   Telephone Number
DE Personal Income Tax Assistance       302.577.8200
DE Business Tax Assistance       302.577.8205
DE Collections/Account Management       302.577.8785
Installments       302.577.8586
DE Business License Assistance       302.577.8778
DE Corporate Tax Auditors       302.577.8783
DE Corporate Tax Refund/Returns       302.577.8781
Gross Receipts       302.577.8780
DE Personal Income Tax Auditors       302.577.8994
Refund Assistance       302.577.8784
DE Unclaimed Property/Escheat       302.577.8782
DE Withholding Tax       302.577.8779




309 Responses to Click to Tell Us Your Experience At Your Local Tax Office

  1. Acceptable Documents for Identity Verification
    State identification (ID) card.
    Driver license.
    US passport or passport card.
    US military card (front and back)
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    Permanent Resident Card.
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