How do I call Vietnam from Hong Kong?

To call Vietnam from Hong Kong, dial the exit code 001, followed by the country code +84, then the phone number. For example, to call the number 912 345 678, you would dial: 001 84 912 345 678.

What is the country calling code for Vietnam when calling from Hong Kong?

The country calling code for Vietnam is +84. To call Vietnam from Hong Kong, dial +84 followed by the local phone number.

What timezone is Vietnam in?

Vietnam is in the UTC+07:00 timezone.

What currency is used in Vietnam?

The official currency of Vietnam is the Vietnamese đồng (₫). This is the primary currency used for all transactions in the country.

What is the capital city of Vietnam?

The capital city of Vietnam is Hanoi. It serves as the political and administrative center of the country.

How do I make cheap calls to Vietnam when calling from Hong Kong?

To make affordable calls to Vietnam from Hong Kong, use CallTuv's browser-based calling service. Simply dial +84 followed by the local number. No app download required, and our rates are significantly cheaper than traditional phone carriers.

How much does it cost to call Vietnam when calling from Hong Kong?

CallTuv offers competitive rates for calls to Vietnam from Hong Kong. Rates vary depending on whether you're calling a mobile or landline number. Check our rates page for the most up-to-date pricing.

What is the best time to call Vietnam from Hong Kong?

The capital-to-capital time gap is 1h destination behind. A practical window in Hong Kong is 10:00-19:00 local time, which maps to standard business hours in Vietnam.

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How to Call Vietnam from Hong Kong

Calling Vietnam from Hong Kong: 001 84 [local number].

Vietnam Country Code: +84

ISO: VN

VNM

Quick answer

To call Vietnam from Hong Kong, dial 001, then 84, then the local number without leading zeros. Example: 001 84 912 345 678.

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Plan before you dial with the international call cost calculator and the best time to call planner. Looking for a calling card alternative instead of the dialing instructions? Compare calling cards to Vietnam.

Dialing format

001 84 912 345 678

Exit code • Country code • Local number

Whether you’re calling family, friends, or business contacts, knowing how to call Vietnam correctly helps your conversation start smoothly. This guide covers the essential dialing steps, including country and area codes that are easy to miss. By the end, you’ll be ready to connect confidently with anyone in Vietnam - whether you’re calling Hanoi or anywhere else.

Step-by-Step Dialing Guide

Follow these simple steps to make a call to Vietnam from Hong Kong

International Guide

Dial the exit code for Hong Kong

Start by dialing 001 (or use + on mobile). This is the international dialing prefix for Hong Kong.

Add Vietnam's country code

Dial the country code +84 for Vietnam.

Enter the local phone number

Dial the local phone number in Vietnam (typically 8-10 digits, without any leading zeros).

Complete dialing format

Full format: 001 84 [local number] - For example: 001 84 612 345 678

HOW TO CALL

International Dialing Format

00184912 345 678

Exit Code•Country Code•Phone Number

CallTuv Format

+84912 345 678

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Calling Vietnam from Hong Kong: Calling Code, Local Time & More

Calling Code

+84

Capital of Vietnam

Hanoi

Region

Asia (South-Eastern Asia)

Currency of Vietnam

Vietnamese đồng (₫)

Vietnam Time Zones

UTC+07:00

Current time

Your time

--:--

Vietnam

--:--

Vietnam is --

Vietnam at a Glance

Vietnam, located in South-Eastern Asia, is a nation with a rich identity. Its capital city, Hanoi, serves as the administrative center for a population of approximately 101M.

The official currency is the Vietnamese đồng (₫). When calling Vietnam, the country code is +84. The country observes the UTC+07:00 time zone(s), and the primary language(s) spoken include Vietnamese.

Destination Calling Profile: Vietnam

Population

101M

Population Rank

#15 of 230

Language Footprint

Vietnamese

Time Zone Footprint

UTC+07:00

City/Area Code Coverage

70 locations listed

Dial Code Status

Exclusive code in dataset

Vietnam currently has a 9-digit local number pattern in this guide, with country code +84.

Route Profile: Hong Kong to Vietnam

Exit Code in Hong Kong

001 (dial 001 (or + from mobile))

Hong Kong Country Code

+852

Route Dialing Pattern

001 84 912 345 678

Capital Time Difference

1h destination behind

Best Calling Window (Origin Time)

10:00-19:00

Currency Pair

Hong Kong dollar ($) -> Vietnamese đồng (₫)

Primary languages: Hong Kong (English, Chinese) and Vietnam (Vietnamese).

Shared language overlap: No direct overlap in primary language list. Primary timezones: Hong Kong (UTC+08:00) and Vietnam (UTC+07:00).

Detailed route planning

Route planning details: Hong Kong to Vietnam

Use this route profile to plan a real call from Hong Kong to Vietnam, including the exit code, destination country code, time difference, and local context.

From

Hong Kong

Vietnam

Hong Kong exit code: 001Vietnam calling code: +84Time difference: 1h destination behind

For dialing this route, callers in Hong Kong usually start with 001 or the plus sign, then dial +84 before the local Vietnam number.

Hong Kong's primary timezone in this dataset is UTC+08:00, while Vietnam's is UTC+07:00. A practical origin-time calling window is 10:00-19:00.

Dialing from Hong Kong

Hong Kong callers are represented by HK/HKG, with City of Victoria as a capital reference point, Eastern Asia, 7.5M people, Hong Kong dollar ($), and primary language context of English, Chinese.

Origin exit prefix: 001 or + from mobile. Origin country code: +852. Origin time zones: UTC+08:00.

Vietnam dialing details

Vietnam is represented here by VN/VNM, Hanoi, South-Eastern Asia, about 101M people, Vietnamese đồng (₫), and primary language context of Vietnamese.

Destination calling code: +84. Destination time zones: UTC+07:00. Rate check: check live price before dialing.

Hong Kong to Vietnam call planning

This route combines Hong Kong's outbound dialing rules with Vietnam's destination numbering and local schedule. The primary timezone relationship is 1h destination behind, and the recommended origin-time window is 10:00-19:00.

Dialing sequence: 001 84 local number. Business-hour window: 10:00-19:00. Time relationship: 1h destination behind.

Destination market: Vietnam is in South-Eastern Asia, with Hanoi as a main administrative center. Calls from Hong Kong may reach family, companies, banks, hotels, clinics, or public offices across a market of about 101M. Primary language context: Vietnamese. Local billing and everyday prices use Vietnamese đồng (₫).

Route context: Hong Kong is listed in Eastern Asia with a population of about 7.5M; Vietnam is listed in South-Eastern Asia with about 101M. The main listed languages differ: Hong Kong (English, Chinese) and Vietnam (Vietnamese). Currency context also changes across the route: Hong Kong dollar ($) in Hong Kong and Vietnamese đồng (₫) in Vietnam.

From Hong Kong, the conventional international prefix is 001; mobile callers can usually use +, then +84, then the Vietnam local number.City of Victoria to Hanoi has a 1h destination behind time relationship, so check the destination workday before placing business or support calls.Vietnam language context: Vietnamese. Keep this in mind when calling businesses, hotels, banks, or local services.For Vietnam, check whether you are calling a landline or mobile number because those prices can differ; current context: check live price before dialing.

City & Area Codes for Vietnam

70 Locations

City / Region	Area Code	Full Dialing Pattern
An Giang	84-76	+84-76 [local number]
An Giang	84-77	+84-77 [local number]
Ba Ria	84-64	+84-64 [local number]
Bac Giang	84-240	+84-240 [local number]
Bac Kan	84-281	+84-281 [local number]
Bac Lieu	84-781	+84-781 [local number]
Bac Ninh	84-241	+84-241 [local number]
Ben Tre	84-62	+84-62 [local number]
Ben Tre	84-75	+84-75 [local number]
Binh Dinh	84-56	+84-56 [local number]
Binh Duong	84-65	+84-65 [local number]
Binh Duong	84-650	+84-650 [local number]
Binh Phuoc	84-651	+84-651 [local number]
Binh Thuan	84-62	+84-62 [local number]
Ca Mau	84-780	+84-780 [local number]
Can Tho	84-71	+84-71 [local number]
Cao Bang	84-26	+84-26 [local number]
Cuu Long	84-70	+84-70 [local number]
Da Nang	84-51	+84-51 [local number]
Da Nang	84-511	+84-511 [local number]
Dak Lak	84-50	+84-50 [local number]
Dong Nai	84-61	+84-61 [local number]
Dong Thap	84-67	+84-67 [local number]
Gia Lai	84-59	+84-59 [local number]
Ha Giang	84-19	+84-19 [local number]
Ha Nam	84-351	+84-351 [local number]
Ha Tay	84-34	+84-34 [local number]
Ha Tinh	84-39	+84-39 [local number]
Hai Duong	84-320	+84-320 [local number]
Hai Phong	84-31	+84-31 [local number]
Hanoi	84-4	+84-4 [local number]
Hanoi City	84-4	+84-4 [local number]
Ho Chi Minh City	84-8	+84-8 [local number]
Hoa Binh	84-18	+84-18 [local number]
Hung Yen	84-321	+84-321 [local number]
Khanh Hoa	84-58	+84-58 [local number]
Kien Giang	84-77	+84-77 [local number]
Kon Tum	84-60	+84-60 [local number]
Lai Chau	84-23	+84-23 [local number]
Lang Son	84-25	+84-25 [local number]
Lao Cai	84-20	+84-20 [local number]
Long An	84-72	+84-72 [local number]
Long Xuyen	84-76	+84-76 [local number]
Minh Hai	84-78	+84-78 [local number]
Nam Dinh	84-350	+84-350 [local number]
Nghe An	84-38	+84-38 [local number]
Nin Thuan	84-68	+84-68 [local number]
Ninh Binh	84-30	+84-30 [local number]
Phu Tho	84-210	+84-210 [local number]
Phu Yen	84-57	+84-57 [local number]
Quang Binh	84-52	+84-52 [local number]
Quang Nam	84-510	+84-510 [local number]
Quang Ngai	84-55	+84-55 [local number]
Quang Tri	84-53	+84-53 [local number]
Quant Ninh	84-33	+84-33 [local number]
Soc Trang	84-79	+84-79 [local number]
Son La	84-22	+84-22 [local number]
Tay Ninh	84-66	+84-66 [local number]
Thai Binh	84-36	+84-36 [local number]
Thai Nguyen	84-280	+84-280 [local number]
Thanh Hoa	84-37	+84-37 [local number]
Thua Thien Hue	84-54	+84-54 [local number]
Thuan Lam Dong	84-63	+84-63 [local number]
Tien Giang	84-73	+84-73 [local number]
Tra Vinh	84-74	+84-74 [local number]
Tuyen Quang	84-27	+84-27 [local number]
Vinh Long	84-70	+84-70 [local number]
Vinh Phu	84-211	+84-211 [local number]
Vung Tau	84-64	+84-64 [local number]
Yen Bai	84-29	+84-29 [local number]

Area codes are typically followed by the subscriber number.