Directory information, not recipient confirmation. Fax numbers can change and differ by department, location, form, or plan. Confirm this destination directly with Internal Revenue Service (IRS) – Automated Underreporter (AUR) Philadelphia Campus before sending sensitive documents. FaxFlow is not affiliated with this organization.

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Internal Revenue Service (IRS) – Automated Underreporter (AUR) Philadelphia Campus fax number

(877) 477-9602

Automated Underreporter (AUR) – CORR 5-E08-113 (Philadelphia)

Used for: Respond to CP2000 notices and submit supporting documentation via fax to the Philadelphia AUR unit.

Fax destination details

Department
Automated Underreporter (AUR) – CORR 5-E08-113 (Philadelphia)
Purpose
Respond to CP2000 notices and submit supporting documentation via fax to the Philadelphia AUR unit.
Form
CP2000 Notice (Notice CP2000) — Notice CP2000 - Proposed Changes to Your Tax Return
Address
AUR CORR 5-E08-113, Philadelphia, PA 19255-0521
Voice phone
1-800-829-8310

Before you send

  • Confirm that this exact department handles your document or request.
  • Check the organization website or call its main line for the current fax number.
  • Include a cover sheet and any case, member, claim, or form reference required.
  • Keep the delivery confirmation with your submission records.

Follow the CP2000 notice instructions to respond by fax or mail; include supporting documentation and signatures; reference the CP2000 notice number and tax year.

Review official form instructions

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