How do I call a mobile in Vietnam?

Use the same +84 country code, then the mobile prefix and subscriber number — drop any leading 0. Softtop handles the formatting automatically.

How do I call Vietnam from the United States?

To call Vietnam from the US, dial 011 + 84 (Vietnam country code) + the local number. Softtop VoIP delivers carrier-grade quality at competitive rates.

Does Softtop deliver caller ID to Vietnam?

Yes — Softtop routes calls to Vietnam over Tier-1 interconnects with full CLI (caller line identification) delivery and STIR/SHAKEN attestation.

All Country Codes

Asia-Pacific · Dialing code

Vietnam country code, +84 explained.

Q: What is the country code for Vietnam?

The international dialing code for Vietnam is +84. Dial your exit code first (011 from the US), then +84, then the local number.

Everything you need to call Vietnam with Softtop — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.

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150+Countries covered

Tier-1CLI routes

99.9%Call delivery

Best time to call Vietnam

9 AM – 4 PM your time

That is 11 AM – 6 PM in Vietnam — a 7-hour business-hours overlap.

India —Vietnam —+2h difference

🇻🇳

Vietnam

VN / Asia-Pacific

98%

LIVE

Country Info

verified

ISO Alpha-2VN

CapitalHanoi

RegionAsia-Pacific

TimezoneHo Chi Minh

Hanoi

—:

Dialing Guide

verified

Full Dial Format

Exit Code+

Country Code+84

Area CodeXXX

Local NumberXXXX

Dialing format

How Vietnam numbers break down

A complete number to Vietnam follows this pattern. Softtop adds the exit and country codes automatically when you dial from the app.

Exit code00

Dial to leave your country (00 (international standard)).

Country code+84

Routes the call directly into Vietnam.

Area / mobileXXX

Regional or mobile prefix — drop the leading 0.

Local numberXXXX

The subscriber's 10-digit local number.

Complete number format

00 · +84 · XXX · XXXX

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Vietnam on the map

Hanoi · Asia-Pacific

Live

+84VN

Asia/Ho Chi Minh

Route

Tier-1 Direct

CLI

Verified

ASR

60%+ min

Step by step

How to call Vietnam

Click any step — watch the full dial string build piece by piece.

Dialing:

Exit

+84

Country

XXX

Area

XXXX

Local

Step 1 / 4

Dial exit code

On mobile hold 0 for + to skip the exit code entirely

+84

Add country code

Always prefix with +84 — Softtop auto-fills this for you

XXX

Area / mobile prefix

Drop the leading 0 from the area code — it's not dialled internationally

XXXX

Local number

The subscriber number — that's the full international string

Full number format

00 · +84 · XXX · XXXX

Softtop automatically adds the exit and country codes — just enter the local number.

Good to know

Calling tips & local context

Mobile vs landline

Mobile prefixes differ from landline area codes — Softtop auto-detects and routes both correctly.

Auto-routed

Time difference

Check local hours before calling — the connection card shows the current time in Hanoi, updated live.

—

Cost & quality

Softtop's Tier-1 CLI routes deliver verified caller ID at transparent per-minute rates — no surprise bills.

Tier-1 CLI

Softtop network · live

Vietnam — connected
across every carrier.

🇻🇳

Vietnam

+84

Asia-Pacific · VN

Countries in directory

Vietnam included

Call delivery rate

STIR/SHAKEN

Carrier interconnects

Tier-1 direct

0%+

Guaranteed ASR

Real-time routing

Country statistics

Vietnam at a glance

🇻🇳

Vietnam

VN · Asia-Pacific

Dial code

+84

Capital

Hanoi

Area

331,212 km²

Penetration

79%

Population

97.5M

People across Vietnam, connected through Softtop's Tier-1 CLI routes.

Softtop routes Vietnam

GDP

$408B

Mobile lines

136M

Internet users

78M

Fixed-line subscribers

3.9M

Landline connections in Vietnam

Connectivity overview

Mobile penetration79%

Internet users78M

Mobile lines136M

Fixed-line3.9M

Why Softtop

Built for clear international calling

Effortless to use

Dial naturally — Softtop adds exit and country codes for you and connects with verified caller ID.

Comprehensive coverage

150+ countries with Tier-1 routes, local caller ID, and full CLI delivery on every connection.

Accurate & verified

Every dialing code and format is kept current, so your call lands the first time, every time.

FAQ

Questions about calling Vietnam

Everything you need to know about dialing Vietnam and how Softtop routes calls there.

What is the country code for Vietnam?

−

Vietnam's country code is +84. To call Vietnam from the US or Canada, dial 011 + 84, then the local number (dropping any trunk prefix such as a leading 0). Vietnam uses the +84 XXX XXX XXXX number format.

How do I call Hanoi from the United States?

Dial 011 (US exit code) + 84 (Vietnam country code) + the Hanoi local number, dropping any leading 0. Softtop routes calls to Vietnam over Tier-1 carrier interconnects with full CLI (caller ID) delivery.

How do I call a mobile phone in Vietnam?

Mobile calls to Vietnam use the same +84 country code. Dial your exit code + 84 + the mobile number, dropping any leading trunk prefix. Vietnam has approximately 136M mobile subscriptions.

Does caller ID (CLI) work on calls to Vietnam?

Yes — Softtop delivers full CLI (Calling Line Identification) on calls to Vietnam via direct Tier-1 carrier connections. STIR/SHAKEN attestation is applied on US-originating calls, ensuring your caller ID reaches the called party authenticated.

What time zone does Vietnam use?

Hanoi and most of Vietnam operate on Asia/Ho Chi_Minh. When scheduling calls to Vietnam contacts, Softtop's scheduling tools help you reach them during business hours — generally 9 AM–6 PM local time (Asia/Ho Chi_Minh).

Can I get a local Vietnam virtual phone number?

Yes. Softtop provides virtual phone numbers in 150+ countries, including Vietnam. A local Vietnam number lets you appear as a local caller to Vietnam customers, increasing answer rates. Vietnam has approximately 78M internet users — a significant market for VoIP-based local presence.

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