CarMax payment support is available by phone, but the number depends on whether you financed through CarMax or another lender

If you financed your car through CarMax Credit, call 1-855-CARMAX1 (1-855-227-6291) to reach their payment department. This line handles payment questions, payment arrangements, and account issues for customers who took out a CarMax loan.

If you financed through a third-party lender — a bank, credit union, or other company — you will not call CarMax at all. Instead, you call the lender whose name appears on your loan documents. Your payment coupon or loan statement will have that lender's phone number printed on it.

The distinction matters because CarMax stops handling your account once a third-party lender purchases the loan. You own the car from CarMax, but you owe money to whoever financed it.

Key Takeaways

  • CarMax Credit customers call 1-855-227-6291 to discuss payments, set up payment plans, or ask about their loan account.
  • If another lender financed your purchase, find their phone number on your loan statement or payment coupon — CarMax cannot access or change that account.
  • Have your loan or account number ready when you call, along with the last four digits of the phone number or Social Security number on file.
  • Payment phone lines are typically open during business hours Monday through Friday, though hours vary by lender.

What to have ready before you call

Gather your loan documents or most recent payment statement before dialing. The representative will ask for your account number, which appears on any statement or payment coupon CarMax sent you. If you cannot find it, have your vehicle identification number (VIN) or the phone number and last four digits of your Social Security number available instead.

Know what you are calling about. Are you making a payment over the phone? Asking about a missed or late payment? Requesting a payment deferment or modification? Setting up automatic payments? Having this clear in your mind will help the representative route you correctly and answer your question faster.

Common reasons to call CarMax payment support

Most calls fall into a few categories. You may want to make a one-time payment by phone using a debit or credit card. You may need to discuss a payment you missed or paid late, or ask whether you can skip a payment or extend your loan term. You may want to set up automatic payments so you never miss a due date. You may also call to report a change in your contact information, ask about your payoff amount, or dispute a charge on your account.

CarMax payment representatives cannot approve loan modifications on the spot — those requests usually go to a separate department and take several business days to process. But they can tell you whether you are may be able to access and what documents you will need to submit.

If you cannot reach CarMax by phone

CarMax also offers online account management through their website. Log in with your account number and password to view your balance, payment history, and payoff amount. You can make a payment online without calling, and you can request a payment arrangement or modification through the online portal in some cases.

If you prefer written communication, you can mail a payment to the address on your statement. Include your account number on the check or money order so the payment reaches the right account. Mail payments take longer to process than phone or online payments, so plan ahead if your due date is soon.

What happens after you call

If you make a payment by phone, the representative will confirm the amount, date, and payment method before processing it. Ask for a confirmation number and write it down. The payment typically posts to your account within one to two business days, though some lenders process payments the same day.

If you request a modification — such as a payment deferment or loan restructuring — the representative will explain what happens next. Usually you will receive a written offer by mail within five to ten business days. You must sign and return it to finalize the change. Do not assume the modification is approved until you receive written confirmation.

Third-party lenders and finding their phone number

CarMax sells most of the loans it originates to larger financial institutions within days or weeks. Common buyers include Ally Bank, Capital One, Wells Fargo, and various credit unions. Your payment coupon will show the current lender's name and phone number in the payment instructions section.

If you cannot find your statement, log into your online banking portal — the lender's name should appear there, along with a phone number or link to their customer service. You can also search the lender's name plus "customer service" online to find their main support line, then ask to be transferred to the payment department.

Frequently Asked Questions

Can I make a CarMax car payment by phone with a credit card?

Yes, CarMax accepts credit and debit card payments by phone. The representative will ask for your card number, expiration date, and CVV. Some lenders charge a convenience fee for credit card payments — ask before you provide your card number.

What if I financed through CarMax but my payment coupon shows a different lender's name?

CarMax sold your loan to that lender, who now owns it. Call the lender's number on the coupon, not CarMax. The lender handles all payment and account matters from that point forward.

Can I defer a payment or skip a month if I call CarMax?

You can request a deferment or modification by phone, but approval is not may provide. The representative will tell you whether you meet the lender's requirements and what documents to submit. Deferrals typically extend your loan term and add interest, so ask about the total cost before agreeing.

What time should I call to reach a representative?

CarMax payment support is typically available Monday through Friday during standard business hours, though exact times vary. Call during mid-morning or early afternoon to avoid peak wait times. Evening and weekend hours may be limited or unavailable.

Do I have to call to make a payment, or can I pay online?

You can pay online through your lender's website or app, by mail, or by phone — whichever is most convenient. Online and phone payments usually post faster than mail. Set up automatic payments if you want to remove the step entirely.