Ringflow
Live carrier coverage · Hong Kong

Hong Kong (+852) calling prefix essentials.

The +852 prefix connects Asia's preeminent global finance hub — eight-digit numbers, no area codes, and direct access to one of the world's busiest trading floors. Here's the verified Hong Kong country code, ISO references, live local time, and Ringflow's direct Hong Kong routes.

OFCA-aligned routesNo area codes neededSub-second call setup
Calling
LIVE
Hong Kong
HK · HKG · Zone 8
+852
Live route
Hong Kong
Time
--:--
Alpha-2
HK
Alpha-3
HKG
HD voice signal98%
Ringflow direct routeVerified
Hong Kong snapshot

Hong Kong at a glance.

The geography, eight-digit numbers and HKT time zone you need before placing your first call into Hong Kong.

Hong Kong country information

Hong Kong
Asia
+852
Capital
Hong Kong
Region
Asia
Time zone
Asia/Hong_Kong
Numbering zone
Zone 8
Code length
3 digits
ISO 3166 codes
HK · HKG
Ways to reach Hong Kong

Every route into Hong Kong lines.

Landline, calling card or business VoIP — the +852 prefix reaches the whole SAR directly. No area codes to manage. Pick what fits your traffic.

01Classic

Direct calls using landlines & mobile phones

Dial Hong Kong directly from any landline or mobile by entering your international exit code, then the country code +852, and finally the local number.

02Pre-paid

International calling cards for Hong Kong

Pre-paid international calling cards remain a convenient, low-cost way to reach Hong Kong. Each card gives you a PIN and an access number to place global calls.

03Modern

VoIP services for contacting Hong Kong

VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Hong Kong over the internet, usually at far lower rates than traditional carriers.

Hong Kong profile

What shapes Hong Kong voice traffic, island to Kowloon.

The fundamentals behind calls to and from Hong Kong — the +852 code, the single HKT zone and the flat eight-digit plan.

Capital
Hong Kong
Region
Asia
Time zone
Asia/Hong_Kong
Numbering zone
Zone 8
Code length
3 digits
ISO 3166 codes
HK · HKG
Dialing Hong Kong

How to call Hong Kong.

A Hong Kong number is eight digits — no area code, no trunk prefix. Here's the anatomy and dialling order.

Number anatomy

Exit prefix++Country code852+Area / mobileXX+Subscriber numberXXX XXX
Final dialled number
+852 XX XXX XXX
Valid E.164
Format follows ITU-T Recommendation E.164 — the international public telecommunication numbering plan.
01Step 1 of 4

Start with the exit prefix

Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.

02Step 2 of 4

Add the Hong Kong code

Dial +852. This identifies Hong Kong on the global telephone network.

03Step 3 of 4

Enter the area or mobile prefix

Type the first part of the local number. Drop the leading 0 if there is one.

04Step 4 of 4

Finish with the subscriber number

The remaining digits route the call to the specific line in Hong Kong or elsewhere.

Need an inbound Hong Kong number?
Ringflow provisions +852 DIDs and termination through direct carrier interconnects — live in minutes, no contracts.
Global directory

Browse the full country code index.

Search by country name, ISO code or dial prefix. Click any country for its dialing rules and Ringflow's local number availability.

FAQ

Calling Hong Kong, answered.

What businesses and travellers ask most before dialling Hong Kong on +852.

Hong Kong's country calling code is +852. Always dial it before the national number when calling from outside Hong Kong.
Dial your international access prefix (+ on mobile, or 00 / 011 from a landline), then 852, then the Hong Kong number (drop the leading 0 if it has one).
Hong Kong uses ISO 3166-1 alpha-2 code HK and alpha-3 code HKG.
Hong Kong is part of the Asia region.
Ringflow provisions inbound DIDs and outbound termination across 120+ countries through 500+ direct carrier interconnects. Contact our wholesale team to confirm live coverage and rates for Hong Kong.

Connect to Hong Kong on carrier-grade Asian finance routes.

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