Contact NASA Federal Credit Union
Contact NASA Federal Credit Union for member support, card services or account questions by phone at 1-888-NASA-FCU (1-888-627-2328). NASA FCU is headquartered in Upper Marlboro, Maryland, and its routing number is 255077833. This is an independent member guide that lists the official contact details and links you to the official site — it is not the official NASA Federal website, and it never collects your login or personal information.
The fastest way to reach the credit union is the member support line. Use it for balances, transfers, loan questions, card issues and fraud reports. For anything that requires signing in or applying, this guide points you to the official NASA Federal website, where those actions are completed securely. Below are the primary ways to reach NASA Federal and the key numbers to keep on hand.
Ways to contact NASA Federal
Member support phone
1-888-NASA-FCU (1-888-627-2328) for accounts, cards and general help.
Secure message
Send a secure message after you sign in on the official NASA Federal site.
Headquarters
Upper Marlboro, Maryland — the NASA FCU home office and main branch.
Card services
Report a lost or stolen debit or credit card, or freeze it in online banking.
Fraud reporting
Report suspected fraud or unauthorized activity right away by phone.
Branches & ATMs
Visit a branch or shared location — see the locations page.
Phone and member support
Member support answers at 1-888-NASA-FCU (1-888-627-2328). Representatives can help with account balances, transfers, statements, loan questions and card servicing, and they can route you to the correct department for wires, business services or collections. Phone hours are extended on weekdays with reduced weekend availability, and automated account access is available around the clock for balances and recent transactions. When you call, have your member number ready so the representative can locate your profile quickly. Keep in mind that the credit union verifies your identity on its side — it will never ask you to read back a one-time passcode you received by text or email.
Mailing address and headquarters
NASA Federal Credit Union is headquartered in Upper Marlboro, Maryland, where the main branch and administrative offices are located. Different functions — loan payments, payoffs, disputes and general correspondence — sometimes use different mailing addresses or department names, so confirm the correct address on the official NASA Federal website before you mail a payment or document. Sending a check to the wrong department can delay posting, so it is worth verifying first. For time-sensitive items, phone or a secure message is usually faster than physical mail. For in-person help, the locations page covers branches and the nationwide shared-branch network of more than 5,600 locations.
Lost or stolen card and fraud
If a NASA FCU debit or credit card is lost or stolen, call 1-888-NASA-FCU (1-888-627-2328) right away to block the card and order a replacement. If you have online-banking access, you can also freeze the card yourself in seconds and review recent transactions. Report any charge you do not recognize as soon as you see it — prompt reporting limits your liability under federal rules. According to the National Credit Union Administration, member deposits at federally insured credit unions are protected up to applicable limits; you can verify NASA Federal's charter and insurance with the NCUA.
- Call member support to block a lost or stolen card and request a replacement.
- Freeze the card and review activity in online banking if you have access.
- Report unauthorized charges promptly to limit your liability.
- Change your online-banking password if you suspect it was exposed.
Need to sign in or apply?
Account sign-in, applications and secure messaging happen only on the official NASA Federal site. This guide links you there and never shows a password field. New to the credit union? See membership eligibility or the online banking overview.
Sign In · Official NASA Federal contact page ›For background on the institution you are contacting, the about page covers NASA Federal's 1949 charter, Upper Marlboro headquarters and nationwide membership. NASA FCU serves more than 238,000 members and reports roughly $5.8 billion in assets, making it one of the larger federally chartered credit unions in the country.
Contact NASA Federal — FAQ
- What is the NASA Federal Credit Union phone number?
- NASA Federal member support is reached at 1-888-627-2328 (1-888-NASA-FCU). The same number handles account questions and can direct you to card and fraud services.
- How do I report a lost or stolen NASA FCU card?
- Call NASA Federal at 1-888-627-2328 as soon as possible to block a lost or stolen debit or credit card, and freeze the card in online banking if you have access.
- What is the NASA Federal mailing address?
- NASA Federal Credit Union is headquartered in Upper Marlboro, Maryland. Confirm the exact mailing address for payments or correspondence on the official NASA FCU website before sending mail.
- What is the NASA Federal routing number?
- The NASA Federal routing number is 255077833, used for direct deposit, ACH transfers and domestic wires on every NASA FCU account.
- How do I report suspected fraud on my account?
- Contact NASA Federal immediately at 1-888-627-2328 if you spot unauthorized activity. NASA Federal will never call, text or email asking for your passcode, password or full card number.