Local Numbers, Global Connections
Get a 21 Phone Number in Shanghai, China
Shanghai is China's largest city by population and its primary financial and commercial hub, home to the Shanghai Stock Exchange, the world's busiest container port, and the headquarters of thousands of multinational corporations across finance, manufacturing, logistics, and technology sectors. Area code 21 covers this entire municipality, including the Pudong financial district, the historic Bund waterfront, and major industrial zones like Waigaoqiao Free Trade Zone. For foreign businesses entering the Chinese market, or domestic companies expanding their reach, having a local 021 number signals genuine presence and commitment to Shanghai-based clients. Chinese customers and partners are significantly more likely to answer calls from recognizable local numbers than from international or unfamiliar codes. A local number also removes the psychological and cost barrier for clients calling you back. Whether you operate in import-export, financial services, e-commerce, or professional consulting, a Shanghai area code 21 number lets you build credibility and trust with one of the world's most commercially active business communities from day one.
Supported features
Voice calls
WhatsApp Business
WhatsApp Business API
Available features may vary per number. Always confirm compatibility on the purchase screen before buying.
Why use a virtual number for WhatsApp in China
A virtual number for WhatsApp with a 21 area code lets you register and verify your WhatsApp account using a legitimate Shanghai-based phone number, without needing a physical SIM card. This virtual phone number for WhatsApp is particularly useful for individuals and teams operating across borders who need a reliable phone number for WhatsApp tied to Shanghai's dialing prefix.
Establishing a local business presence in China is made significantly easier when you buy a virtual number that reflects a recognizable Shanghai identity. With a virtual phone number for business, your contacts in China can reach you via calls, SMS, or WhatsApp Business API, creating a seamless and professional communication channel that builds trust with your Shanghai-based audience.
Setting up a virtual phone number with a 21 area code requires no hardware or local contracts, making it an efficient solution for customer support, sales outreach, and marketing campaigns targeting Shanghai. Teams leveraging the WhatsApp Cloud API alongside a virtual phone number can manage high-volume conversations at scale, all routed through an authentic Shanghai 21 area code that enhances local credibility.
Regulatory requirements
Business
Chinese passport or ID copy (legal/key representative), Chinese passport or ID copy (project manager), Company name, China company incorporation certificate copy, China registration form
Company name and CNPJ number
Address
Current address in Shanghai, China (street, building number, postal code).
Other
Letter of intention (LOI)
Questions & answers
Frequently asked questions about virtual numbers
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