IRS POA Fax Number: Complete Guide to Faxing Form 2848
Need the IRS POA fax number fast? Get the exact 2026 CAF unit fax numbers for Eastern, Western, and international filers, plus a step-by-step guide to faxing Form 2848 without errors or delays.
Frequently Asked Questions
What is the IRS POA fax number?
It depends on your state. Eastern states fax to the Memphis CAF unit at 855-214-7519. Western states fax to Ogden at 855-214-7522. International filers use 855-772-3156 (or 304-707-9785 from outside the US).
Can I fax my IRS POA online without a fax machine?
Yes. Online fax services like mFax let you upload your signed Form 2848 as a PDF and fax it directly to the IRS CAF unit from your phone or computer. You receive a timestamped receipt as proof of submission.
How long does it take the IRS to process a faxed POA?
Faxed Forms 2848 typically take 2–6 weeks to process. The fastest option in 2026 is the IRS Tax Pro Account, which records the authorization in real time. The online Submit2848 portal takes 4–10 business days.
What is the difference between Form 2848 and Form 8821?
Form 2848 is a full Power of Attorney — it lets your representative act on your behalf, sign agreements, and represent you. Form 8821 is a Tax Information Authorization — it only allows your designee to receive and inspect your tax information, not to represent you or take action.
What happens if I fax my IRS POA to the wrong number?
The IRS will manually reroute it to the correct CAF unit, which can add days or weeks to processing time. Always verify your state's correct regional CAF unit before sending.