Hong Kong country code, +852 explained.
Everything you need to call Hong Kong with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
Hong Kong
Hong Kong · Asia
· COUNTRY INFO · VERIFIED
ISO Alpha-2
HK
Capital
Hong Kong
Region
Asia
Timezone
UTC+8
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +852 · XXXXXXXX
How Hong Kong numbers break down
A complete number to Hong Kong follows this pattern. Twiching adds the exit and country codes automatically when you dial from the app.
EXIT CODE
Dial from the US/Canada to leave the country.
COUNTRY CODE
Routes the call directly into Hong Kong.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +852 · XXXXXXXX
Hong Kong on the map
Hong Kong · Asia
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
SIP trunking and local numbers for Hong Kong
Instead of leasing a physical line in Hong Kong, a Twiching SIP trunk routes your existing PBX or softphone traffic through a local +852 number — same call quality, none of the on-the-ground infrastructure.
Local +852 caller ID
Calls display a recognisable Hong Kong number instead of an unfamiliar international one.
SIP trunking
Route your existing PBX or softphone through Twiching's Tier-1 trunk — no hardware swap.
Minutes to provision
Numbers activate in the dashboard the same day, with no on-the-ground carrier contract.
+852
Hong Kong · ready to provision today
Built for reliable delivery into Hong Kong
Hong Kong isn't treated as a secondary market — it runs on the identical direct-carrier routing and delivery guarantees as every other country in the directory.
Hong Kong
+852
191
Countries in directory
HONG KONG INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
How Hong Kong phone numbers are structured
Numbering Format
COUNTRY
+852
LOCAL
XXXXXXXX
Under country code +852, Hong Kong runs a closed numbering plan — just a 8-digit subscriber number after the country code, no area code required.
Carriers & language
Hong Kong has 92% internet penetration and is served by 3 major mobile networks (HKT, SmarTone, China Mobile Hong Kong). VoIP is permitted and regulated by Office of the Communications Authority (OFCA). The local currency is HKD and the primary language is Cantonese, English, which shape IVR prompts, SMS content, and business-hours handling.
Asia context
Asian markets range from fully liberalised to licensed-only VoIP, so compliant routing and correct local caller ID have an outsized effect on answer rates.
Skipping the exit code
Reaching Hong Kong from the US requires the 011 exit code ahead of +852 — skip it and the call won't connect.
Adding an area code that doesn't exist
Hong Kong uses a closed plan — dial the +852 country code then the 8-digit subscriber number directly, with no area code.
Ignoring the time difference
UTC+8 governs local business hours in Hong Kong; confirm the time there before placing the call.
Compliance, carriers & rates for Hong Kong
Permitted — OFCA regulated
Regulated by Office of the Communications Authority (OFCA)
Hong Kong's regulatory posture under Office of the Communications Authority (OFCA) is permissive toward VoIP, meaning a business can start calling and texting into the country without a separate compliance process.
- VoIP is fully permitted and regulated by OFCA under the Telecommunications Ordinance.
- Service-based operator licenses are required for commercial VoIP offerings.
- Personal Data (Privacy) Ordinance mandates strict data protection for all operators.
Direct Tier-1 interconnect with HKT — no wholesale transit in between.
US → Hong Kong
$0.010/min
Hong Kong → US
$0.012/min
Billed per second, not rounded to the minute
How businesses use a Hong Kong number
Look like a local business
A +852 number with Hong Kong caller ID reads as domestic to the person picking up — unfamiliar international numbers get screened far more often.
Sales & support in one line
The same Hong Kong number handles inbound support and outbound sales calls, both landing on Tier-1 routes into HKT and the wider network.
Built for UTC+8 hours
Multi-country teams route Hong Kong calls to whoever's actually awake and working in UTC+8, without juggling separate numbers per shift.
SIP trunking for market entry
Stand up a Hong Kong presence on SIP trunking before committing to local infrastructure — the same number scales from a pilot to full local hiring.
FAQ
Calling Hong Kong — frequently asked questions
Yes. VoIP is permitted in Hong Kong, regulated by Office of the Communications Authority (OFCA), so businesses can run cloud numbers and SIP termination on compliant routes. There's no special licensing hurdle for a Twiching customer to clear before calling or texting into Hong Kong.
Yes — Hong Kong is one of 191+ countries in Twiching's directory, with virtual numbers, SIP termination, and Tier-1 routing available. It's part of the same platform used to manage numbers across every other country in the directory.
Hong Kong is the capital of Hong Kong. A local +852 number is recognisable to callers there and nationwide, which is part of why presenting local caller ID tends to improve answer rates across the whole country, not just the capital.
Cantonese, English is the primary language in Hong Kong — IVR prompts, SMS copy, and support scripts should be written in it for the best response rates. Getting the greeting and menu options right in the local language is often the difference between a caller staying on the line or hanging up.
Dial 011 (US exit code), then 852 (the Hong Kong country code), then the 8-digit subscriber number. There's no area code or trunk prefix to add in between — the subscriber number follows the country code directly.
Asian markets range from fully liberalised to licensed-only VoIP, so compliant routing and correct local caller ID have an outsized effect on answer rates. In Hong Kong specifically, that's overseen by Office of the Communications Authority (OFCA), which sets the compliance bar Twiching's routes are built to meet.
Full country code directory
Asia is fully covered in Twiching's 191-country directory. Jump to any of the markets below for the same level of detail shown on this Hong Kong page. All 190 other countries are listed below, Asia first.
Get started
Get a Hong Kong number.
See what a real phone stack does.
Phone numbers, voice, SMS and AI on one account. Direct Tier-1 routing into Hong Kong from day one.
Compliance with applicable regulations required.