The quickest way to find out if you have a 401(k) is to check your most recent pay stub or your W-2 tax form. If money is being deducted from your paycheck for retirement, it will show up in both places. If you think you might have a forgotten 401(k) from a previous job, the Department of Labor now offers a free search tool that can track it down.
Check Your Pay Stub
Your pay stub is the fastest place to look. If your employer is deducting 401(k) contributions from your paycheck, you’ll see a line item in the deductions section. It’s commonly labeled “401K” or “401(k).” If your employer also matches your contributions, that may appear as “401K ER” (short for employer contribution). Some payroll systems use slightly different abbreviations, but the term “401” will almost always be in the label.
If you use direct deposit and don’t receive a paper stub, log into your employer’s payroll portal. Most companies use systems like ADP, Paychex, Gusto, or Workday, and your electronic pay stubs will be archived there. Look at any recent pay period and scan the deductions section.
Look at Your W-2
Every January, your employer sends you a W-2 summarizing the prior year’s earnings and withholdings. Box 12 on the W-2 uses letter codes to flag specific types of compensation and deductions. Two codes tell you about 401(k) activity:
- Code D: Traditional 401(k) contributions. This is the amount you deferred from your paycheck into a pre-tax 401(k) account during the year.
- Code AA: Roth 401(k) contributions. This is the amount you put into a designated Roth account within a 401(k) plan, meaning it was contributed after taxes.
If either code appears with a dollar amount next to it, you contributed to a 401(k) that year. Even if you don’t remember enrolling, some employers automatically enroll new hires at a default contribution rate, so it’s worth checking. You can also look at Box 13, which has a checkbox labeled “Retirement plan.” If that box is checked, your employer sponsored a qualified retirement plan and considered you a participant.
Contact Your Employer’s HR Department
If your pay stubs are unclear or you can’t find your W-2, call or email your company’s human resources or benefits department directly. Ask whether the company offers a 401(k) plan, whether you’re enrolled, and which company administers the account. The administrator is typically a financial firm like Fidelity, Vanguard, Empower, Schwab, or T. Rowe Price. Once you know the provider, you can create an online account or call them to see your balance, investment selections, and contribution history.
Finding a 401(k) From a Previous Job
If you’ve changed jobs over the years, you may have left a 401(k) behind with a former employer without realizing it. This is surprisingly common, especially if the balance was small or you forgot to roll it over. There are several ways to track down old accounts.
Use the DOL’s Lost and Found Database
The Department of Labor launched the Retirement Savings Lost and Found database at lostandfound.dol.gov, created under the SECURE 2.0 Act of 2022. The tool searches for retirement plans linked to your Social Security number that were sponsored by private-sector employers or unions, including 401(k) plans. If a match turns up, you’ll get information on how to claim the funds.
Search the Form 5500 Database
Employers that sponsor 401(k) plans are required to file a Form 5500 with the Department of Labor each year. These filings are public, and you can search them at efast.dol.gov. Type in your former employer’s name or EIN (employer identification number, which appears on your old W-2s). The filing will list the plan administrator’s name and contact information, giving you a direct line to the company managing the account. From there you can call the administrator, verify whether you have a balance, and request a rollover or distribution.
Contact Your Former Employer
If the company still exists, reaching out to its HR or benefits department is straightforward. Ask for the name and phone number of the 401(k) plan administrator. If the company has been acquired or shut down, the DOL’s Employee Benefits Security Administration (EBSA) can help you locate the responsible party. You can reach an EBSA benefits advisor at AskEBSA.dol.gov or by calling 1-866-444-3272.
Check for Accounts You Didn’t Know About
Some people have a 401(k) without ever deliberately signing up for one. Federal law allows employers to auto-enroll employees into their 401(k) plan at a default contribution rate, often 3% to 6% of pay. If you skipped your benefits orientation or didn’t read the enrollment paperwork closely, contributions may have been coming out of your paycheck for months or years. This is actually a good thing, since it means you’ve been saving for retirement, but it can be a surprise when you discover it.
To check, look at your year-to-date deductions on a recent pay stub. If you see a 401(k) line with a running total, you’re enrolled. Your next step is to log into the plan provider’s website (HR can give you the details) to review your balance, choose your investments, and adjust your contribution rate if you want to save more or less.
What to Do Once You Find It
Once you’ve confirmed you have a 401(k), whether current or from a past job, a few things are worth doing right away. Log into the account and check your balance and how it’s invested. Many people leave their money in a default target-date fund, which may or may not match your goals. Review your contribution rate and increase it if you can afford to, especially if your employer offers matching contributions you aren’t fully capturing.
If you find an old 401(k) at a former employer, you generally have three options: leave it where it is, roll it into your current employer’s plan, or roll it into an individual retirement account (IRA). Rolling old accounts into one place makes them easier to manage and can reduce the fees you’re paying across multiple accounts. The plan administrator can walk you through the rollover process, which typically involves filling out a transfer form and directing the funds to your new account.