Can you open m.costco.com from mainland China?
Yes.
No recent testsVerdict from 2026-03-20 · 4 mo ago
As of the last test on 2026-03-20 — 4 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
2015first tested
4 mo agolast tested
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Frequently asked questions
Is m.costco.com blocked in mainland China right now?
We haven't tested m.costco.com in the last 90 days. As of the last test on 2026-03-20 (4 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
http://m.costco.com · JSON