Escalate Anything

Costco: lost package

Report a lost Costco.com shipment for a return or replacement; missing items are replaced, not refunded.

ACredibility A · last verified 2026-10-12 · 95% official or government sources
What does this mean?

Grade A (high: almost everything comes from official pages read directly). 95% of 19 sources are the organization's own pages or government sites.

All Costco contactsOpen in the interactive directoryJSON

Collect

Steps

  1. Use Return or Replace Items on the order, or call online orders customer service.

    PhoneCostco.com online orders and Costco Logistics deliveries +1-800-955-2292

  2. If Costco does not resolve it, dispute the charge with your card issuer.

More contacts for this issue

ChatCostco Customer Service contact page (phone and chat by topic)
OnlineReturn or replace a Costco.com order (Orders & Returns) Sign-in required

Facts you can cite

If that fails, escalate

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

  1. Customer service

    ChatCostco Customer Service contact page (phone and chat by topic)

  2. Supervisor

    PhoneMembership and warehouse (Member Service Center) +1-800-774-2678

  3. Written complaint

    FormCostco feedback form

  4. Card or bank dispute

    Fair Credit Billing Act billing-error and purchase-dispute rights (Regulation Z)

    Electronic Fund Transfer Act error resolution and unauthorized-transfer liability (Regulation E)

  5. State agency

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

  6. Public complaint

    RegulatorBetter Business Bureau

Watch out

  • Costco.com returns and price adjustments need the member's sign-in.

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:

My Costco package shows delivered but never arrived. Use Escalate Anything to get a refund or a replacement.

Source code, other install options and the Claude Code plugin

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