+852 is the country code for Hong Kong SAR China.
Every phone number in Hong Kong SAR China starts with +852 when you call it from another country. From the US, dial 011 852, then the full number.
- Time there
- Hong Kong timeHong Kong Standard Time, UTC+8, no daylight saving
- From the US or Canada
- 011 852 5123 4567
- From the UK and most of Europe
- 00 852 5123 4567
- From Australia
- 0011 852 5123 4567
- From any mobile phone
- +852 5123 4567
- Inside Hong Kong SAR China
- 5123 4567
- Mobile numbers
- 8 digits after +852
- Toll-free numbers
- Start with 800
Check a +852 number to see whether it is a mobile, a landline or VoIP.
Pick the country, enter the number without the +852, and the free check shows whether it is valid and whether it is a mobile, a landline or VoIP.
Mobile numbers in Hong Kong SAR China start with 44, 46, 47, 51, 52, 53, 54, 55, 56, 57, 59, 6, 70, 84, 90, 91, 92, 93, 94, 95, 96, 97 or 98, and this table shows which networks first issued each start.
| At home | From abroad | First issued by |
|---|---|---|
| 44 | +852 44 | Hutchison Telecom, HKT, China Mobile |
| 46 | +852 46 | HKT, China Mobile, SmarTone |
| 47 | +852 47 | Hutchison Telecom, China Mobile, HKT |
| 51 | +852 51 | China Mobile, HKT, 3 |
| 52 | +852 52 | HKT, SmarTone, China Mobile |
| 53 | +852 53 | China Mobile, HKT, 3 |
| 54 | +852 54 | HKT, China Mobile, 3 |
| 55 | +852 55 | HKT, SmarTone, China Mobile |
| 56 | +852 56 | China Mobile, 3, HKT |
| 57 | +852 57 | Multibyte, HKT, SmarTone |
| 59 | +852 59 | China Mobile, HKT, 3 |
| 6 | +852 6 | HKT, China Mobile, 3 |
| 70 | +852 70 | SmarTone, Hutchison Telecom, HKT |
| 84 | +852 84 | HKT, SmarTone, China Mobile |
| 90 | +852 90 | HKT, Hutchison Telecom, SmarTone |
| 91 | +852 91 | HKT, SmarTone, 3 |
| 92 | +852 92 | HKT, SmarTone, China Mobile |
| 93 | +852 93 | HKT, 3, SmarTone |
| 94 | +852 94 | 3, SmarTone, HKT |
| 95 | +852 95 | HKT, 3, China Mobile |
| 96 | +852 96 | HKT, 3, SmarTone |
| 97 | +852 97 | 3, HKT, China Mobile |
| 98 | +852 98 | HKT, 3, SmarTone |
People keep their number when they switch networks, so the start shows where a number began. Our free number portability lookup shows the network it is on today.
In Hong Kong SAR China, the phone number format for apps and SMS gateways is +852 followed by the full number.
| Written | Example | Where you see it |
|---|---|---|
| At home | 5123 4567 | Business cards, local ads |
| International | +852 5123 4567 | Websites, email signatures |
| E.164 | +85251234567 | APIs, SMS gateways, CRMs |
A missed call from a +852 number you don't know can be a one-ring scam, so check it before calling back.
One-ring scams call once and hang up, hoping you call back a line that bills you international or premium rates.
- Don't call back an international number you don't know. A real caller leaves a message or sends a text.
- Check the number in the box above. A number that is not a working mobile or landline in Hong Kong SAR China is a warning sign.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report it at reportfraud.ftc.gov, and see the FCC's guide to one-ring scams.
The codes next to +852 belong to other countries, so one wrong digit reaches a different place.
These are the questions people ask most about +852.
Which country uses the +852 country code?
Hong Kong SAR China. Every phone number there starts with +852 when it is dialed from abroad.
How do I call Hong Kong SAR China from the US?
Dial 011, then 852, then the full number. A mobile number written 5123 4567 at home is dialed 011 852 5123 4567 from the US, or +852 5123 4567 from any mobile phone.
Is +852 the same as 00852?
Yes. 00 is the exit code used in Hong Kong SAR China and most of the world, and the + on a mobile phone stands in for whatever exit code your network uses. From the US and Canada the exit code is 011 instead.
How many digits is a phone number in Hong Kong SAR China?
A mobile number has 8 digits after +852, written 5123 4567 at home.
What time is it in Hong Kong SAR China?
Hong Kong SAR China is on Hong Kong Standard Time, UTC+8, all year. It does not use daylight saving time.
How do I check a +852 number that called me?
Enter it in the box above. The free check shows whether it is a valid number from Hong Kong SAR China and whether it is a mobile, a landline or a VoIP line, which helps you spot a one-ring scam before you call back.
Sources: Google's libphonenumber numbering data for lengths, mobile starts, area code places, first-issuing networks and time zones, as of September 24, 2026; the ITU list of country codes.