Hong Kong Country Code

The country code for Hong Kong is +852.

Calling code: +852
ISO code: HK · HKG
Region: Asia
Dialling out: 00

How to call Hong Kong from the US

011+852+local number

011 is the US and Canadian exit code; from a mobile you can dial + instead, anywhere in the world. Hong Kong has no trunk prefix to drop: dial the local number exactly as it is written.

Example Hong Kong numbers in international format, as published by the numbering-plan source.
Line type	Dial from abroad
Fixed line	+852 21234567
Mobile	+852 51234567

Calling out of Hong Kong

To call abroad from Hong Kong, dial 00 before the destination's country code. From a mobile, + works instead.

Official name: China, Hong Kong Special Administrative Region.

Scope the Hong Kong calling code and its dialing rules. Source datasets/country-codes (E.164 + ISO 3166) (ITU-T E.164 + ISO 3166, 2026-07 release) and libphonenumber PhoneNumberMetadata (Google) (libphonenumber master, 2026-08 snapshot). Updated 25 August 2026. Example numbers are the numbering plan's own published examples, not real subscriber lines.