Calculator tools
Mobile Number Lookup
Carrier and likely location of a mainland Chinese mobile number, matched against a prefix table bundled with the site.
Runs locally in your browser
- Carrier
- Prefix
- first 7 digits
Location
The prefix table ships with the site (about 4.4 MB, fetched on the first lookup and cached afterwards) and the number is never sent anywhere. Matching is on the first seven digits, and one prefix can span several cities, so the list shows candidates rather than a single answer.