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Capital One

Customer Service Number

Existing credit card account customer service

+1 800-227-4825
USToll-free in the listed region
Source: capitalone.comSource checked Sep 10, 2026

Wayfinder is an independent directory. The contact details above are published by Capital One.

Contact channels

Before getting in touch

The telephone listed for Capital One is published for Existing credit card account customer service. Use the secure account area for statements and identity checks.

  • For a card issue, check the number printed on the card.
  • Keep a copy of the case reference.
  • Use its secure portal for account details.

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Sources

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