How to Open a U.S. Bank Account Without a Social Security Number

Quick answer

You do not need a Social Security number to open a U.S. bank account. An Individual Taxpayer Identification Number (ITIN), which the IRS issues to people who aren't eligible for an SSN but need to file taxes, substitutes for an SSN at many banks and credit unions. Alliant Credit Union's own documentation lists an SSN or an ITIN as acceptable and lets you apply online with no branch visit required. Several large national banks are commonly reported to accept an ITIN as well, though usually only with an in-person visit, and specific requirements can vary by branch, so calling ahead before you go saves a wasted trip. However you open it, your account carries the same FDIC insurance, up to $250,000 per depositor, per bank, as anyone else's.

What you actually need: an SSN, or an ITIN

The barrier most newcomers expect, "you must have a Social Security number to bank in the U.S.," is not accurate at the institutions that accept an ITIN instead. An Individual Taxpayer Identification Number is a nine-digit number the IRS issues specifically for people who need to file U.S. taxes but don't qualify for an SSN. It exists because the U.S. tax system needs a way to identify every filer, regardless of immigration status, and a meaningful number of banks use that same identifier to open an account.

If you don't already have an ITIN, you apply with IRS Form W-7, along with documents proving your identity and foreign status, most commonly a passport. Processing takes several weeks, so if a mortgage, a lease, or a job start date is on the calendar, apply early rather than waiting until you need the number urgently.

What's actually documented, and what's commonly reported

Not every claim about "banks that accept ITIN" holds up the same way, so it's worth knowing the difference between what an institution states directly and what's widely repeated but unconfirmed.

Alliant Credit Union is the clearest example: its own account-opening documentation lists a valid U.S. government-issued ID plus a Social Security Number or an Individual Tax Identification Number as the requirement, and Alliant operates online-first with no branch requirement.

Several large national banks, including Chase, Bank of America, Wells Fargo, and Citibank, are commonly reported across multiple sources to accept an ITIN for account opening. Chase's own educational page on banking for non-residents discusses the ITIN concept but directs applicants to confirm the specific policy with the bank rather than stating its own acceptance outright, which is a reasonable summary of the reality across big banks generally: the ITIN pathway often exists, but it's more likely to require an in-person branch visit than an online application, and the exact documents accepted can vary by branch and by account type.

What to bring

Requirements vary by institution, but most banks that accept an ITIN ask for some combination of:

• A valid passport or other government-issued photo ID
• Your ITIN, or documentation that you've applied for one
• Proof of a U.S. address: a utility bill, lease agreement, or similar document less than 60 days old
• A phone number and, in some cases, a second form of ID

Checking first, then savings

Open a checking account first in most cases. It gets you the tools for day-to-day life: a debit card, direct deposit for a paycheck, and the ability to pay bills without cash or money orders, which typically charge fees that add up fast. Compare current checking account options once you know which institutions work for your documentation situation.

Once checking is set up and you have money beyond what you need for regular expenses, move it into a savings account, ideally a high-yield one rather than letting it sit in checking earning close to nothing. The gap between a typical checking account and a high-yield savings account is often the difference between earning almost nothing and earning a meaningful return on the same balance:

A note on fintech alternatives

A small number of banking apps market themselves specifically around not requiring an SSN or ITIN at all, asking only for a passport or other national ID and a U.S. address. These can be a genuinely faster on-ramp if you have no tax ID yet, but the tradeoff is usually real: accounts like this commonly don't help you build U.S. credit history the way a mainstream bank or credit union account eventually can once paired with a credit product. If speed matters more right now than starting a credit file, that tradeoff may be worth it; if you can wait a few weeks for an ITIN, the mainstream path keeps more doors open.

Step by step

1. Decide whether you already have, or need to apply for, an ITIN. If you'll be filing U.S. taxes and don't have an SSN, apply for one via Form W-7 as early as you can.
2. Call or check the website of 2–3 candidate banks or credit unions to confirm their current ITIN policy and required documents before you show up or apply online.
3. Gather your documents: passport, ITIN (or proof of application), and proof of a U.S. address.
4. Open checking first, then move surplus funds into a high-yield savings account once your day-to-day banking is set up.
5. Start building credit next, since a bank account alone doesn't create a credit history — a secured card is the most common next step.

Once you're banked

A bank account is the foundation, not the finish line. From here, building credit from scratch and getting your first credit card with no credit history cover the next steps in detail, and Money Map can lay out your full first year of U.S. finances, from banking through credit through your first savings goal.

Sources

• IRS: Individual Taxpayer Identification Number — official ITIN eligibility and application rules.
• FDIC BankFind — verify a bank's insurance status before opening an account.
• NCUA credit union locator — verify a credit union's share insurance.
• Alliant Credit Union: what you need to open a checking account — a directly stated SSN-or-ITIN policy.

Figures and policies referenced here were verified August 22, 2026. Bank and credit union documentation requirements vary by institution and branch, and can change; confirm current requirements directly before applying. This article is educational information, not individualized financial or immigration advice.