Federal & State Tax Information - Filing for 2020

Important Links and Phone Numbers


  • IRS website (forms, instructions, publications – all available online)
  • Information - 800-829-1040
  • Order Forms - 800-829-3676


Tax Help

Free, individualized tax preparation for low-to moderate-income taxpayers filing basic returns, and especially those 60 and older. Visit or call one of these locations for assistance.

First Baptist Church

31 1st Ave NE
Oelwein, IA  50662-1736

To Schedule Appointment:
By Appointment Only on Tuesdays after March 2.

Waterloo Salvation Army

207 Logan Avenue
Waterloo, IA 50703-3721

Phone: 319-334-1019
By Appointment Only Mondays and Wednesdays beginning Feb. 8.
You can also go to the AARP Tax Help site to find out more..

Addresses For Completed Forms

Completed State of Iowa Individual forms should be sent to:
Iowa Income Tax – Document Processing
P.O. Box 9187
Des Moines IA 50306-9187

If sending money for taxes owed, include an IA 1040V Payment Voucher and mail to the same address.

Visit the State Tax Address Page.

Completed Federal forms are sent to:
Not enclosing money:
Department of the Treasury
Internal Revenue Service
Kansas City, MO 64999-0002

You are enclosing money:
Internal Revenue Service
P.O. Box 931000
Louisville, KY 40293-1000
 Note Changes: addresses can vary from previous years

Be sure you use the full nine-digit ZIP code, to ensure delivery of your tax return and/or payment.

What Tax materials does the Library carry?

Please call ahead 319-334-2470 to make sure we have what you need. We can print forms for you (10 cents per page) or you can use our computers to print from the IRS and State of Iowa tax sites (printing and copying is 10 cents per page). The library currently has a 45-minute block of time for computer usage due to covid and a 30-minute browsing time.

Modified from West Des Moines Public Library
Updated 2/10/2021