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Calling Rates to Vietnam
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Landline Calls
Call landline numbers in Vietnam
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Essential Facts About Calling Vietnam
Capital
Hanoi
Time Zone
Ho Chi Minh
Languages
Vietnamese, English
Currency
Vietnamese Dong (â‚«)
Country Code
+84
Emergency
113
Business Hours
8:00 AM - 5:00 PM
Mobile Prefix
843..., 845...
About Calling Vietnam
Calling Vietnam from abroad is straightforward with UseCaller. Vietnam uses the +84 country code for all international calls. The capital city Hanoi and other major cities are well-connected with modern telecommunications infrastructure, ensuring crystal-clear call quality. Common languages include Vietnamese and English, so you may want to prepare a few key phrases if calling for business. The country operates primarily in the Ho Chi Minh time zone, which is important to consider when planning your calls. Vietnam uses the Vietnamese Dong as its official currency. Business hours typically follow local customs, so checking the time difference before calling is recommended. With UseCaller, connecting to anyone in Vietnam takes just seconds—no app downloads, no subscriptions, just simple browser-based calling at competitive rates.
Expert Tips for Calling Vietnam
- 1Vietnamese mobile numbers have 10 digits
- 2Hanoi area code is 24, Ho Chi Minh City is 28
- 3English is growing in business sectors
- 4Vietnamese is a tonal language
- 5Tet (Lunar New Year) sees extended closures
💡 Did You Know?
Vietnam has one of the fastest-growing economies in Southeast Asia with rapidly improving telecommunications.
📱 Telecom Network
Viettel, MobiFone, and Vinaphone are the main carriers.
Major City Area Codes in Vietnam
24
Hanoi
28
Ho Chi Minh City
236
Da Nang
225
Hai Phong
292
Can Tho
Popular Cities in Vietnam
Major calling destinations with area codes
Ho Chi Minh City
Area Code: 28
Largest city and economic engine, formerly Saigon, vibrant commercial hub of 13+ million
Hanoi
Area Code: 24
Capital city and political center, rich in history and traditional culture
Da Nang
Area Code: 236
Central coast city, major port and tourist destination, growing tech hub
Hai Phong
Area Code: 225
Northern port city, industrial center and gateway to Ha Long Bay
Can Tho
Area Code: 292
Largest city in the Mekong Delta, agricultural trading center
Nha Trang
Area Code: 258
Coastal resort city known for beaches and tourism industry
Hue
Area Code: 234
Former imperial capital, UNESCO World Heritage site, cultural center
Vung Tau
Area Code: 254
Coastal city, oil and gas industry hub, popular weekend destination from HCMC
Why Choose UseCaller for Calling Vietnam
Vietnam is a rapidly developing Southeast Asian nation with 100+ million people and a growing diaspora of 4+ million, primarily in the USA, France, Australia, and Canada. The telecommunications sector has modernized significantly, with 130+ million mobile subscriptions. Viettel, Vinaphone, and Mobifone dominate the market, with 5G rolling out in major cities. Vietnam operates on Indochina Time (ICT, UTC+7). The country spans three distinct regions—North, Central, and South—each with unique dialects and cultural nuances. Ho Chi Minh City (Saigon) is the economic powerhouse, while Hanoi remains the cultural and political capital. The manufacturing and tech sectors drive significant international business communication.
💡 Cultural Tips for Calling Vietnam
Vietnamese culture emphasizes respect for elders and hierarchy. Never call during lunch (12-1 PM)—it's considered very rude. Avoid discussing war history or sensitive political topics. Tet (Lunar New Year) is the most important holiday—expect 1-2 weeks of closures. Vietnamese appreciate patience and building relationships before business.
Complete Guide to Calling Vietnam
Everything you need to know to make successful calls
Number Formatting
Vietnamese numbers use the format +84 XXX XXX XXXX. Drop the leading 0 from domestic numbers. Mobile: 09XX XXX XXX becomes +84 9XX XXX XXX. Landlines include city codes: +84 24 XXXX XXXX for Hanoi, +84 28 XXXX XXXX for Ho Chi Minh City.
Mobile vs Landline
Mobile dominates with 95%+ of connections. Prefixes: 09X/08X (Viettel), 091/094/088 (Vinaphone), 090/093/089 (Mobifone). Old landline numbers: Hanoi (24), HCMC (28). Note: Vietnam recently changed area codes—Hanoi was 4, now 24; HCMC was 8, now 28.
Best Times to Call
Indochina Time (ICT) is UTC+7 year-round. Business hours are 8 AM - 5 PM with lunch break 12-1 PM. Saturday mornings are sometimes working. Avoid calling during lunch (very important) and after 9 PM. Sunday is family time.
Area Codes
Hanoi: 24 | Ho Chi Minh City: 28 | Da Nang: 236 | Hai Phong: 225 | Can Tho: 292 | Nha Trang: 258 | Hue: 234 | Vung Tau: 254
Calling Etiquette
Greet with 'Xin chà o' (hello). Vietnamese value respect and hierarchy—address elders appropriately. Avoid sensitive political topics. Speak clearly and slowly if using English. Business relationships require personal rapport before transactions. Lunch is sacred—never call during 12-1 PM.
Common Reasons to Call Vietnam
Real scenarios from our users
Family Connections
Stay connected with parents and relatives across Vietnam's regions, from Hanoi to the Mekong Delta
Business Operations
Manage manufacturing, import/export, and tech venture communications with Vietnamese partners
Remittance Support
Coordinate money transfers and family financial support—Vietnam receives $18+ billion annually
Diaspora Networking
Connect with the 4+ million overseas Vietnamese community for business and cultural ties
Travel Coordination
Plan visits, book accommodations, and coordinate logistics with local contacts
Investment Management
Discuss real estate, business investments, and opportunities in Vietnam's growing economy
Call Cost Calculator
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Frequently Asked Questions About Calling Vietnam
Get answers to common questions
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