Free Hong Kong phone number validator

Check any Hong Kong number (+852): valid or not, mobile or landline, original carrier, and the correct international format.

How Hong Kong numbers are written

Country code +852. Locally: 5123 4567. Internationally: +852 5123 4567.

Validate Hong Kong numbers in bulk or by API

Clean a CSV of up to 50,000 numbers, or call the API from your app or AI agent with "default_country": "HK". 250 free lookups.

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