Notice code Letter 2645C
IRS Letter 2645C Means Your Case Is Still Open. Get It Moving Today
If you live in your state, IRS Letter 2645C means your case is still open, and every deadline from your original notice still counts.
Call now, and a licensed tax pro goes through your letter for free and starts working your case today.
We take your call around the clock, go through your Letter 2645C for free, and start work on your case right away.
An interim letter saying the IRS has your case and needs more time to answer.
No new deadline unless the letter names one. Earlier deadlines from your original notice still count.
- Wait and keep copies of what you sent.
- Send anything the letter asks for.
- Call us if the wait runs long.
Letter 2645C sets no new date unless it names one, so read it closely for any request or date.
Dates from your original notice still count, so meet them while you wait for the IRS answer.
Get your open IRS case moving today
Letter 2645C means your case is still open, and earlier deadlines still count.
A licensed tax pro for taxpayers in your state goes through your letter for free and contacts the IRS for you.
Call now. We answer around the clock and start today.
We take your call around the clock, go through your Letter 2645C for free, and start work on your case right away.
Send us your letter details now
What is IRS Letter 2645C saying?
Letter 2645C is what the IRS manual calls an interim letter. It means the IRS has your case and needs more time before it can answer.
The letter asks for nothing new unless it says so. Read every line for a request or a date.
Why did you get this letter?
This letter usually follows something you sent. That could be a reply to a notice or an amended return.
The IRS got your papers and needs more time to review them. Your case is open, not closed.
Is your Letter 2645C real?
Search the letter number on the IRS page for understanding your notice or letter. If it does not appear or looks wrong, treat it with care.
When you call us, our licensed tax pro can confirm the letter is real. You can also read our guide on checking an IRS letter.
When is your Letter 2645C deadline?
Letter 2645C sets no new deadline unless it names one. Deadlines from your original notice still count, as the IRS notice page explains for each notice.
Meet those earlier dates while you wait. Our tool can count your days from the original notice.
What if you agree with the wait?
Wait, and keep copies of everything you sent. Store this letter with your earlier reply.
Call us so a licensed tax pro can check that nothing else is due. We go through your options for free.
What if the wait runs too long?
If the wait runs past the time the letter gives, call us. Under the IRS manual, an interim letter means your case is still open and under review.
Our licensed tax pro contacts the IRS for you and follows up on your case. We answer around the clock and start today.
What happens if you ignore this letter?
An interim letter does not erase deadlines on other notices. Missing an earlier date can still cost you.
Read the letter for any requested action, then keep it with your earlier reply. A licensed tax pro can read your letter with you when you call.
What to read next
Questions people ask
Does Letter 2645C mean I owe money?
No. It is an interim letter about a case the IRS still has open.
Do I need to reply to Letter 2645C?
Only if the letter asks for something. Call us and a licensed tax pro will read it with you for free.
What if I wait longer than the letter says?
Call us. Our licensed tax pro contacts the IRS for you and follows up on your case.
How do I know Letter 2645C is real?
Search its number on the IRS notice page. You can also call us, and our tax pro will confirm it.
Where this comes from
What to do now
- Call us so a licensed tax pro reads your Letter 2645C for free and starts today.
- Read the letter for any request or date it names.
- Keep the letter with copies of the reply you sent earlier.
- Meet any deadline from your original notice, since it still counts.
We take your call around the clock, go through your Letter 2645C for free, and start work on your case right away.
Confirmed 17 Sep 2026