Buy a Hong Kong Virtual Phone Number

This page is for businesses that want to be reachable in Hong Kong without opening a local office. Whether you are serving Hong Kong customers, working with Hong Kong-based partners, or using Hong Kong as your gateway to Greater China and Asia, a Hong Kong virtual phone number lets you present a local identity while keeping your operations international.

Hong Kong is one of the world’s most important financial and commercial centres. With a population of around 7.5 million, it is a global hub for finance, trade, logistics, professional services and regional headquarters of multinational companies. Hong Kong consistently ranks among the world’s freest and most competitive economies. A Hong Kong phone number gives your business direct access to this market.

When a Hong Kong customer or partner sees a local Hong Kong number, they recognise it as a domestic call. They pay standard Hong Kong rates and feel confident they are dealing with a business that is set up to serve the Hong Kong market. That recognition translates into higher answer rates, more enquiries and stronger business relationships.

Hong Kong has deep international commercial and legal ties. English is one of Hong Kong’s two official languages and the primary language of international business and law. The legal system is based on English common law, and business practices are familiar to international companies. Hong Kong’s simple tax system, free port status and transparent regulatory environment make it one of the easiest places in Asia to do business.

Hong Kong is eight hours ahead of GMT (HKT, UTC+8). While this limits real-time overlap during standard office hours, many international business relationships operate with morning meetings on the Hong Kong side and afternoon engagement from abroad. CallFactory’s time-based routing and voicemail features help bridge the gap.

Hong Kong’s economy is driven by financial services, trade and logistics, professional services, tourism and technology. The city is home to one of the world’s largest stock exchanges and serves as the primary international gateway for business with mainland China. For businesses in finance, legal services, consulting, trade or technology, Hong Kong is a priority market.

Hong Kong is the gateway to Greater China — a market of over 1.4 billion people. Many international companies use Hong Kong as their regional headquarters for operations across mainland China, Macau and Taiwan. The city’s unique position as a Special Administrative Region gives it a distinct legal and business framework while maintaining close economic ties with the mainland.

A Hong Kong phone number positions your business at the centre of Asia’s most dynamic economic region. Hong Kong’s world-class infrastructure, deep capital markets, rule of law and strategic location make it the ideal hub for businesses entering or expanding across China and the broader Asia-Pacific region.

Toll-free 800 — Free for callers from any Hong Kong phone. Best for customer service lines, support desks and enquiry lines where you want to remove any cost barrier for the caller. A worldwide address is accepted.

National 58 — A non-geographic number that works across all of Hong Kong. Ideal for businesses that want a professional Hong Kong presence with a single territory-wide number. Requires a Hong Kong address.

For most businesses entering the Hong Kong market, a toll-free 800 number is the simplest starting point — no Hong Kong address needed and it removes the cost barrier for callers. Add a 58 national number later if you need a standard Hong Kong number for outbound display or business cards.

Hong Kong uses an eight-digit numbering system with no area codes and no trunk prefix. All calls within Hong Kong are dialled as eight digits. When displaying internationally, add the country code +852:

National example: 5812 3456 domestically, +852 5812 3456 internationally

Toll-free example: 800 123 456 domestically, +852 800 123 456 internationally

On your website, always show the international format with +852 so both Hong Kong and international visitors can dial correctly. Since Hong Kong has no trunk prefix, the domestic and international formats differ only by the +852 country code.

You choose a Hong Kong number — toll-free 800 or national 58 — and tell us where to forward calls. We activate the number, typically within one business day. When someone in Hong Kong dials your number, the call routes through our network and reaches you on your landline, mobile or VoIP system. The caller pays standard Hong Kong rates (or nothing, for toll-free) and your team answers from abroad.

You manage everything through your online account: change forwarding destinations, set opening hours, configure a phone menu or enable voicemail. No hardware, no installation, no Hong Kong office required.

CallFactory has been providing international phone numbers since 2000. Established in the Netherlands with Dutch management, we serve thousands of businesses across Europe and Asia-Pacific. Our platform handles millions of call minutes each year, and our network is built for reliability and call quality.

We work with licensed Hong Kong carriers to ensure number availability and call routing quality. When you need support, our team is available by phone and email during European business hours.

Our platform is designed for companies that need international numbers without international complexity. You get a single account for all countries, transparent pricing, and a support team that understands the needs of businesses operating in international markets.

Adding a Hong Kong number takes minutes. You can combine it with numbers in other countries — Singapore, Australia, India, Japan — and manage them all from a single dashboard. Scale up or down as your Hong Kong business evolves.

Hong Kong telecommunications is regulated by OFCA (Office of the Communications Authority). Hong Kong phone numbers are issued through licensed carriers in compliance with OFCA regulations and the Telecommunications Ordinance.

Toll-free 800 numbers accept a worldwide address. National 58 numbers require a Hong Kong address. CallFactory works with licensed carriers to handle the regulatory requirements on your behalf.

Getting started takes minutes, not months. Choose your Hong Kong number type, provide the required details, and we activate your number — typically within one business day. There are no long-term contracts, no setup fees for most number types, and no minimum call volumes. Start with a toll-free 800 number and add a 58 national number as your Hong Kong presence grows.