Where's My Federal Refund
Contact My Local Office in Colorado
Get Help with Your Taxes In-Person
You need to make an appointment to visit a Taxpayer Assistance Center (TAC).
To make an appointment:
- Choose the office that has the services you need
- To see the services available, click on “Services Available” in the table below
- Not all services are available at every TAC office
- Call the appointment number for the office you need to visit
- Our customer service representatives are available Monday through Friday, 7 a.m. to 7 p.m. Eastern Time. If you need help in a language that isn’t English, our telephone interpreters will help you.
Note: In order to receive services, you will be asked to provide a current government-issued photo identification and a Taxpayer Identification Number, such as a Social Security number.
Caution: Many of our offices are in Federal Office Buildings. These buildings may not allow cell phones with cameras.
Find an Colorado Taxpayer Assistance Center
Hours of operation are subject to change.
Colorado Springs
2864 S. Circle Dr.
Colorado Springs, CO 80906
Office Information
719-226-3300
**This TAC is currently closed**
Denver
1999 Broadway
Denver, CO 80202
Office Information
303-446-1675
Make Appointment
844-545-5640
Monday-Friday – 8:30 a.m.-4:30 p.m.
Ft. Collins
301 S. Howes St.
Ft. Collins, CO 80521
Office Information
970-221-0688
Make Appointment
844-545-5640
Monday-Friday – 8:30 a.m.- 4:30 p.m.
(Closed for lunch 12:30 – 1:30 p.m.)
**This TAC is closed 3/1-3/4**
Grand Junction
400 Rood Ave.
Grand Junction, CO 81505
Office Information
970-241-6265
**This TAC is currently closed**
These Where to File addresses are to be used ONLY by TAXPAYERS AND TAX PROFESSIONALS filing individual federal tax returns in Colorado during Calendar Year 2021.
| and you are filing a Form … | and you ARE NOT ENCLOSING A PAYMENT, then use this address … | and you ARE ENCLOSING A PAYMENT, then use this address … |
|---|---|---|
1040 | Department of the Treasury Internal Revenue Service Ogden, UT 84201-0002 | Internal Revenue Service P.O. Box 802501 Cincinnati, OH 45280-2501 |
1040-ES | N/A | Internal Revenue Service P.O. Box 802502 Cincinnati, OH 45280-2502 |
1040-ES(NR) | N/A | Internal Revenue Service P.O. Box 1300 Charlotte, NC 28201-1300 |
1040V | N/A | Internal Revenue Service |
1040X | Department of the Treasury Internal Revenue Service Ogden, UT 84201-0052 | Department of the Treasury Internal Revenue Service Ogden, UT 84201-0052 |
4868 | Department of the Treasury Internal Revenue Service Ogden, UT 84201-0045 | Internal Revenue Service |
Contact a Local Taxpayer Advocate (LTA) in Colorado
| City | Address | Phone | Fax |
| Denver | 1999 Broadway, Stop 1005 DEN, Denver, CO 80202-2490 | 303-603-4600 | 855-829-3839 |
You can also call the Taxpayer Advocate Service toll-free at 1-877-777-4778, or fill out Form 911, Request for Taxpayer Advocate Service Assistance, and fax or mail it to the address above.
The Taxpayer Advocate Service: Call 312-292-3800 in Chicago or 217-993-6714 in Springfield, or 877-777-4778 elsewhere, or see Publication 1546, The Taxpayer Advocate Service of the IRS. For further information, see Tax Topic 104.