Can't Find 14-Digit Control Number on IRS Identity Verification Notice to Access sa.www4.irs.gov Portal
I need help getting into the IRS Identity Verification portal (sa.www4.irs.gov). I got their verification notice in the mail, and I'm on the "Verify Your Return" page where it says "Did you receive an IRS return verification notice in the mail?" But I'm completely stuck because they keep asking for a "14-digit control number provided on your notice" and I've looked at every single page of my notice multiple times but can't find anything that looks like a control number. The site says I don't need to use spaces when entering it, but that doesn't help since I can't even find the number to begin with. I'm currently looking at the exact IRS Identity Verification screen at sa.www4.irs.gov which displays "An official website of the United States Government" with the "Here's how you know" text next to it. I'm on the "Verify Your Return" page under the "Verify Your Notice" section. The screen specifically asks "Did you receive an IRS return verification notice in the mail?" and there's additional text that says "(You will need this notice to continue with this online service. If you received a notice, but don't have it with you, please come back later.)" I selected "Yes" and now it's asking me to "Enter the 14-digit control number provided on your notice, you don't need to use spaces." That's exactly where I'm stuck because I've scoured every inch of my notice and can't find anything resembling a 14-digit number. I see there's an option that says "No, please resend the notice" but it warns that "(If you have filed your return within the last 7 days, please allow an additional 14 days to receive the notice in the mail before requesting another one to be sent. You can then come back and continue verifying.)" I'd rather not wait another 2 weeks for a new notice if I can avoid it. There's a blue "CONTINUE" button at the bottom of the screen, but I can't proceed without this control number. Has anyone else dealt with this? Where exactly on the notice is this control number supposed to be? I feel like I'm going crazy looking at every single line of this notice.
16 comments


QuantumQuest
The IRS Identity Verification portal screenshot shows you're at the critical entry point where you need to provide the 14-digit control number. The page presents two options: entering the control number or requesting a new notice. The control number requirement is specific - it must be 14 digits and doesn't need spaces. This number should be on your 5071C letter, typically in the upper portion. Since you're having trouble locating it, this could indicate you've received a different type of IRS notice instead of the required 5071C. The portal's warning about the 14-day waiting period for new notices is important - if you filed your return within the past week, you'll need to wait at least 2 weeks before requesting a new notice. Your immediate options are: 1. Double-check that you have a 5071C letter specifically 2. Contact the IRS Identity Verification hotline at 800-830-5084 for direct assistance 3. Use the "No, please resend the notice" option if you're willing to wait the additional time The key detail here is ensuring you have the correct notice type (5071C), as other IRS notices won't have the required 14-digit control number.
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Zoe Dimitriou
•omg thank you! Just double checked and I have a 4883C letter 🤦♀️ no wonder I couldn't find the number
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QuantumQuest
•Happens all the time! Glad I could help identify the issue 👍
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Jamal Anderson
Hey guys, instead of playing detective with these notices, I started using taxr.ai to help me understand everything about my transcripts and notices. It costs like a dollar but it tells you exactly what to do next and even predicts when youll get paid. The AI is pretty impressive ngl https://taxr.ai
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Mei Zhang
•fr? does it actually work? seems too good to be true
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Jamal Anderson
•Yeah its legit! saved me hours of googling and stressing. It even caught some things I missed on my transcript
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Liam McGuire
in the same boat rn... been waiting 3 months just to verify my identity smh
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Amara Eze
The IRS is such a joke fr 🤡 Why they gotta make everything so complicated
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Giovanni Ricci
•Facts 💯 Their website looking like it was made in 1995
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NeonNomad
pro tip: take a pic of the control number and save it in your phone. I lost my notice once and had to wait another 2 weeks for a new one 😭
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Zoe Dimitriou
•good idea! def gonna do this when i get my new notice
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Marilyn Dixon
For anyone else who might run into this - the 4883C letter is for "Potential Identity Theft" rather than return verification, which is why it doesn't have the 14-digit control number. You'll need to follow the specific instructions on your 4883C letter instead of trying to use the sa.www4.irs.gov portal. The 4883C typically directs you to either call the IRS directly or visit an IRS office in person with documentation to verify your identity. It's a completely different process from the online verification portal.
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Max Knight
@Zoe Dimitriou - glad you figured out the letter mix-up! Just wanted to add that the 4883C process is actually pretty straightforward once you know what to do. You'll typically need to call the number on your letter with your Social Security card, driver's license, and a copy of your tax return. They'll walk you through the verification steps over the phone. It's actually faster than the online portal in most cases since you don't have to wait for additional notices. The phone reps are usually pretty helpful with 4883C cases too.
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Layla Sanders
•@Max Knight thanks for the extra info! Just called the number on my 4883C and you re'right - way easier than I expected. The rep was super helpful and walked me through everything step by step. Had all my docs ready and the whole thing took maybe 20 minutes. Definitely beats waiting weeks for new notices!
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Freya Collins
Just wanted to chime in as someone who went through this exact same confusion last year! The letter mix-up between 5071C and 4883C is super common - I did the same thing and spent forever looking for a control number that didn't exist. One thing to add to what others have mentioned: when you call the number on your 4883C letter, make sure you have your prior year tax return handy too (not just the current year). They sometimes ask questions about previous filings to verify your identity. Also, if you're calling during peak season (Jan-April), expect longer wait times but don't give up - the phone verification really is much faster than going through the mail process. The good news is once you complete the 4883C verification, your account gets flagged as resolved and you're less likely to get these notices in the future. Hope this helps!
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Victoria Scott
•@Freya Collins This is such helpful advice! I m'dealing with a similar situation right now and had no idea about needing the prior year return. Question - when you called, did they resolve everything in that one phone call or did you have to do any follow-up steps? I m'hoping to get this sorted quickly since I m'still waiting on my refund.
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