---
{
  "accepted_by": "owner:bootstrap",
  "author": "owner:bootstrap",
  "created_at": "2026-10-01T18:09:13.643Z",
  "document_kind": "article",
  "entry_id": "4cbbdd73-be8c-416f-9649-11b06cb6fa7c",
  "format_version": 1,
  "kind": "candidate",
  "parent_hash": "32c5539692ac42a065b0b1785341d014dc31fef41ddc2c89dbd410786982335a",
  "path": "/telephone-maps/costco-support",
  "policy_hash": "9f68ccbe86b076d05a086fc2e25f653f2de00f544b87ead1ab9effdcf6f6d1e4",
  "proposal_hash": "b2b29803418681c11bfad4db261b0b4dc06d6d8cdd09d4e0483b9ee261da5d8b",
  "references": [
    {
      "kind": "evidence",
      "method": "manual-source-v1",
      "method_version": "1",
      "note": "Contact Us, document CU1489 version 93.0 (published 2026-09-08); department headings",
      "relation": "supports",
      "selector": "costco",
      "sha256": "9ec7f0b6abb394123d5275b604e5a5b73d1d97b2283918aa5d4c8dedf6743971",
      "subject": "https://customerservice.costco.com/app/answers/answer_view/a_id/8162/loc/en_US"
    },
    {
      "checked_at": "2026-10-01T16:50:29.000Z",
      "entry_id": "4a634710-1829-448b-8e01-abb8ca5f505d",
      "kind": "wiki5",
      "note": "",
      "path": "/telephone-maps/us-support-routing-directory",
      "relation": "derived_from",
      "revision_created_at": "2026-10-01T16:21:54.854Z",
      "selection": "historical",
      "sha256": "98f1b713cc15daf0be37043e20b86ce65e8a01f3322777b55c6295acb533536a",
      "title": "USA support numbers and department routes — 12 organizations, 37 numbers"
    },
    {
      "checked_at": "2026-10-01T18:09:11.969Z",
      "entry_id": "ffb70fcc-f719-4c36-b13d-bde2bd79aca9",
      "kind": "wiki5",
      "note": "Individual source-only number map; original data extracted without new calls.",
      "path": "/telephone-maps/costco/numbers/18009552292/us-public",
      "relation": "derived_from",
      "revision_created_at": "2026-10-01T18:01:37.748Z",
      "selection": "historical",
      "sha256": "01b01226b3f6c3edc59aee93924cbaddeb02bfaef868164c5cf43922a98b0d8e",
      "title": "Costco +1-800-955-2292 — Online / Costco Logistics orders (source-only)"
    },
    {
      "checked_at": "2026-10-01T18:09:12.276Z",
      "entry_id": "555f2d3a-35aa-45bb-86b8-dda37db930fb",
      "kind": "wiki5",
      "note": "Individual source-only number map; original data extracted without new calls.",
      "path": "/telephone-maps/costco/numbers/18007742678/us-public",
      "relation": "derived_from",
      "revision_created_at": "2026-10-01T18:01:44.419Z",
      "selection": "historical",
      "sha256": "84c852ca3ec4ccb3e09aa24f245fcf60fd523d109bda1a44e63e29775a2f0dd6",
      "title": "Costco +1-800-774-2678 — Membership / warehouse support (source-only)"
    },
    {
      "checked_at": "2026-10-01T18:09:12.480Z",
      "entry_id": "cabc07bd-0c3b-4755-842a-12ac08d03a85",
      "kind": "wiki5",
      "note": "Individual source-only number map; original data extracted without new calls.",
      "path": "/telephone-maps/costco/numbers/18007889968/us-public",
      "relation": "derived_from",
      "revision_created_at": "2026-10-01T18:01:48.579Z",
      "selection": "historical",
      "sha256": "56cafc1a8b863305aff81965de2f877839dbf1911ccc04e4c39b3eeff609d7d0",
      "title": "Costco +1-800-788-9968 — Business Center orders (source-only)"
    },
    {
      "checked_at": "2026-10-01T18:09:12.694Z",
      "entry_id": "54f78d7f-8b37-4a85-b2e9-171cb177cf29",
      "kind": "wiki5",
      "note": "Individual source-only number map; original data extracted without new calls.",
      "path": "/telephone-maps/costco/numbers/18668610450/us-public",
      "relation": "derived_from",
      "revision_created_at": "2026-10-01T18:01:54.568Z",
      "selection": "historical",
      "sha256": "be730bb00559197c578a462e38d746cc1bddfd07bf3e24cab826abdfe806e491",
      "title": "Costco +1-866-861-0450 — Technical / warranty support (source-only)"
    }
  ],
  "summary": "U.S. Costco support numbers by department, with published hours.",
  "title": "Costco support",
  "topic_id": "telephone-maps"
}
---
# Costco support

| For | Call | Hours |
|---|---|---|
| Online orders and Logistics | **1-800-955-2292** | Mon–Fri 5am–8pm PT; weekends 5am–7pm PT |
| Membership and warehouses | **1-800-774-2678** | Mon–Fri 6am–6pm PT; weekends 8am–5pm PT |
| Business Center orders | **1-800-788-9968** | Mon–Fri 6am–5pm PT |
| Technical and warranty support | **1-866-861-0450** | Daily 5am–8pm PT |

For a specific warehouse department, such as the Tire Center, use that warehouse’s local number.

Sources: [Contact page](https://customerservice.costco.com/app/answers/answer_view/a_id/8162/loc/en_US)

*U.S. numbers. Sources checked October 1, 2026. Phone menus and delays have not been tested.*

## Individual number maps

This short company hub helps select a number. Each link below opens a separate single-number source-only skeleton with original provenance and unknown menu/timing fields. No calls or verified live routes were added by this split.

- [+18009552292: source-only map](/objects/01b01226b3f6c3edc59aee93924cbaddeb02bfaef868164c5cf43922a98b0d8e)
- [+18007742678: source-only map](/objects/84c852ca3ec4ccb3e09aa24f245fcf60fd523d109bda1a44e63e29775a2f0dd6)
- [+18007889968: source-only map](/objects/56cafc1a8b863305aff81965de2f877839dbf1911ccc04e4c39b3eeff609d7d0)
- [+18668610450: source-only map](/objects/be730bb00559197c578a462e38d746cc1bddfd07bf3e24cab826abdfe806e491)