Find your local Federal and State Tax Office here! Not a government website.

Iowa Tax Office Mailing Addresses

Individual Income Tax Forms Business Tax Returns & Payments
Receiving Refund/No Tax Due?If you file on paper, send your return to:Iowa Income Tax Processing
Hoover State Office Bldg
Des Moines IA 50319-0120Paying Additional Tax

If you file electronically or on paper:

Mail your return with a check or money order and an IA 1040V Payment Voucher to:
Iowa Income Tax Document Processing
PO Box 9187
Des Moines IA 50306-9187

Paying Estimated Tax

INDIVIDUAL & CORPORATION ESTIMATED TAX PROCESSING (IA 1040ES/IA 1120ES)

Iowa Department of Revenue
PO Box 10466
Des Moines IA 50306-0466

Iowa business taxes are filed electronically through eFile & Pay.Free direct debit (ePay) makes this a paperless option!In addition, individual and corporation estimated payments can be made electronically through this system.Corporation Income Tax Payment
(IA 1120V)

By check or money order:

Iowa Department of Revenue
Corporation Tax
PO Box 10466
Des  Moines, IA  50306-0466

Street Address for DeliveriesIowa Department of Revenue
Hoover State Office Building
1305 E. Walnut
Des Moines IA 50319

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.

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

  1. Please see contact information for the IRS regarding your refund.
    Individuals
    800-829-1040
    7 a.m. to 7 p.m. local time

    Businesses
    800-829-4933
    7 a.m. to 7 p.m. local time

    Non-profit taxes
    877-829-5500
    8 a.m. to 5 p.m. local time

    Estate and gift taxes
    866-699-4083
    8 a.m. to 3:30 p.m. Eastern time

    Excise taxes
    866-699-4096
    ​​​​​8 a.m. to 6 p.m. Eastern time

    Overseas callers
    Use our International Services page.

    Callers who are hearing impaired
    TTY/TDD 800-829-4059

    Requesting a face-to-face meeting for help
    You can make an appointment at an IRS local office to get help. Appointment times vary by tax issues and office locations.

    You can find the office closest to you with our Taxpayer Assistance Locator tool. Once you find your local office, call 844-545-5640 to schedule an appointment.

    IRS offices are closed on federal holidays.

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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.

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