Have you ever needed your Taxpayer Identification Number (TIN) but couldn’t find where you saved it? Your TIN is important. You use it for tax filing, business transactions, and official documents. If you’re asking, “How to retrieve my TIN number?“—don’t worry. There are simple ways to get it back.

Every taxpayer has a TIN. If you’re employed, your company might process it for you, but you still fill out a form. If you’re in business, you register at the Regional District Office (RDO), and they give you your TIN. It’s an important number. Keep a record of it.
Your immigration status, whether resident or resident alien, doesn’t change the importance of securing your TIN. If you’re a Filipino digital nomad abroad, keep your tax documents ready.
1. Check Your Documents or IDs
The easiest way to find your TIN is by looking at your TIN ID, if you have one. If not, check your old pay slips, Form 2316, or any document from your employer. If you own a business, check your 1701, 2551 forms, or your Certificate of Registration (2303).
If you have an Employer Identification Number (EIN) for your business, make sure it’s recorded separately from your personal TIN. Providing the correct information is important for confirming your true identity. This helps us avoid any complications with tax laws or treaty benefits.
2. Call Your Employer
Your HR, payroll, or accounting department should have your TIN on file. If you’ve already resigned, contact your old employer. They often keep your records for compliance.
3. Contact BIR
Prepare your personal info. Then contact the Bureau of Internal Revenue (BIR) Customer Assistance Division. You can call these numbers:
- 8981-7030
- 8981-7003
- 8981-7040
- 8981-7020
- 8981-7046
- 8981-7419
- 8981-7452
- 8981-7478
- 8981-7479
The processing time for TIN verification can change. Be sure to check with BIR for available service options to speed up the process. If you are experiencing delays, be patient. BIR has thousands of requests daily, especially between Monday and Friday.
You can also email them at [email protected]. Attach a selfie while holding a valid ID for identity checks.
Here’s a sample email you can send:
| Dear Sir/Madam, Good day. I am (complete name) from (town/city). I would like assistance from your good office as I have forgotten my Tax Identification Number and need it for (purpose.) The following are my details: (For Self-Employed) Complete Name: Birthdate: Gender: Residence Address: (include Zip Code) Past Business Registered with BIR: (For Employed or Previously Employed) Complete Name: Birthdate: Birthplace: Gender: Mother’s Maiden Name: Father’s Name: Residence Address: (include Zip Code) I am hoping for your response. Sincerely, Your Name |
4. Visit an RDO
You can go to the RDO where your TIN was registered. Ask where to line up for TIN validation and verification. Bring a valid ID and any supporting documents. Some offices ask for official request forms or might scan a QR code for extra security.
5. Online Retrieval
The BIR website has a TIN Verifier Button. You can find it under “Other E-Services.” This helps check your TIN status.
But this tool is limited to approved users like employers, government offices, or tax agents. If you have access, use it. If not, contact BIR directly.
You can also look for tips in online forums. Many employees and HR staff share how they recovered their TIN.
Whether you are a worker, a business owner, HR staff, or a spouse managing tax issues, this guide can help you.
Once you retrieve your TIN, save it in a safe place. Write it down, keep it on file, or store it in a locked digital document.
Stay prepared. Keeping your tax number ready makes future tasks easier. It also helps when helping someone else with their taxes.
Good luck! 😊

Disclaimer: The steps mentioned above may vary depending on BIR updates, so always check for official announcements to ensure you follow the latest process. The Social Security Administration (SSA) and other financial agencies may also require your TIN for verification purposes, so keeping it safe is crucial.
FAQ
The BIR also offers an online platform, the eReg TIN inquiry tool, where you can input certain personal information (such as your full name and birthdate) to retrieve your TIN. This service may not always be available, but it is worth trying before going to the office in person.
The most straightforward way to recover your TIN number and apply for a replacement TIN ID is by visiting the nearest BIR Revenue District Office (RDO) where you originally registered. Ensure you bring a valid government-issued ID and any proof of your past transactions with BIR (if available).
A TIN is a general term that includes various types of numbers the IRS uses to track taxpayers. An EIN is a specific type of TIN issued exclusively to businesses, trusts, estates, and other entities.
About the Writer

Hey, I’m Lyza! I once was a person who just imagined going to places “one day” but decided to pursue my dreams. My first travel abroad was in Japan, solo, last 2018, and fell in love with the journey since. I’m aiming to visit 10 countries before turning 30 and 2 new places in the Philippines every year. Besides traveling, I love organizing trips, photography, reading, and making new friends. Follow my adventures through my Instagram.
