IRS CP2000 response fax number
Where to fax your response to an IRS CP2000 series notice: use the fax number for the location printed on the top left side of your notice.
Verified October 21, 2026Checked against Understanding your CP2000 series notice, How to reply: Fax.
| Who uses it | Office | Fax |
|---|---|---|
| Notices that list Andover, MA on the top left side | Andover, MA | 877-477-9485 |
| Notices that list Atlanta, GA on the top left side | Atlanta, GA | 877-477-0967 |
| Notices that list Austin, TX on the top left side | Austin, TX | 877-477-0583 |
| Notices that list Holtsville, NY on the top left side | Holtsville, NY | 877-477-9599 |
| Notices that list Fresno, CA on the top left side | Fresno, CA | 877-477-0962 |
| Notices that list Ogden, UT on the top left side | Ogden, UT | 877-477-9640 |
| Notices that list Philadelphia, PA on the top left side | Philadelphia, PA | 877-477-9602 |
Before you fax
- Use the number for the location listed on the top left side of your notice.
- The IRS page says: if you use an online fax service, understand its privacy and security policies.
- IRS document upload toolThe IRS calls uploading the fastest way to send your reply. Photos or scans as JPG, PNG or PDF files.