Escalate Anything

Capital One: unauthorized charge

Lock the card, then report the charge online or by phone.

ACredibility A · last verified 2026-10-12 · dossier 2026-10-12 · 98% official or government sources
What does this mean?

Grade A (high: almost everything comes from official pages read directly). 98% of 41 sources are the organization's own pages or government sites.

All Capital One contactsOpen in the interactive directoryJSON

Collect

Steps

  1. Lock the card in the app or website.

    OnlineLock a missing or stolen card Sign-in required
  2. Report the charge by disputing it online or by calling the number on the back of the card.

    PhoneCredit card customer service (1-800-CAPITAL), for existing Capital One accounts +1-800-227-4825 Account holder only
  3. If Capital One does not resolve it, complain to the CFPB.

More contacts for this issue

PhoneCredit card, calling collect from outside the U.S. +1-804-934-2001 Account holder only
MailReport suspected credit card fraud by mail Capital One, P.O. Box 30277, Salt Lake City, UT 84130-0277

Facts you can cite

Rules in force

If that fails, escalate

Go up one step at a time. Keep the reference numbers and dates from each contact.

  1. Customer service

    PhoneCredit card customer service (1-800-CAPITAL), for existing Capital One accounts +1-800-227-4825 Account holder only
  2. Written complaint

    MailGeneral correspondence (credit card, line of credit, small business) Capital One, Attn: General Correspondence, PO Box 30285, Salt Lake City, UT 84130-0285

    Card billing disputes go to the disputes address. The feedback line also takes complaints.

  3. Federal regulator

  4. State agency

    Your state’s financial regulator. Find it in the list of state agencies (also as JSON: states/<code>.json, for example states/ny.json).

Watch out

  • Online disputes and card lock need sign-in.
  • Capital One does not publish a dedicated fraud phone number on its fraud pages; it says to call the number on the back of the card.

Let your AI agent handle this

Escalate Anything is a free, open-source MCP server for Claude, Cursor, VS Code, Gemini CLI, Codex and other AI apps. Your agent gets this playbook, keeps a case log with reference numbers and follow-up dates, and drafts each message for you to approve.

1. Set it up (needs uv):

uvx escalate-anything setup

2. Ask your agent:

Capital One charged me [amount] on [date] and I did not authorize it. Use Escalate Anything to get it reversed.

Source code, other install options and the Claude Code plugin

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