Calling Laos from Hong Kong: 001 856 [local number].
Quick answer
To call Laos from Hong Kong, dial 001, then 856, then the local number without leading zeros. Example: 001 856 20 23 123 456.
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 Laos.
Dialing format
001 856 20 23 123 456
Exit code • Country code • Local number
Whether you’re calling family, friends, or business contacts, knowing how to call Laos 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 Laos - whether you’re calling Vientiane or anywhere else.
Follow these simple steps to make a call to Laos from Hong Kong
Start by dialing 001 (or use + on mobile). This is the international dialing prefix for Hong Kong.
Dial the country code +856 for Laos.
Dial the local phone number in Laos (typically 8-10 digits, without any leading zeros).
Full format: 001 856 [local number] - For example: 001 856 612 345 678
International Dialing Format
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Calling Code
+856
Capital of Laos
Vientiane
Region
Asia (South-Eastern Asia)
Currency of Laos
Lao kip (₭)
Laos Time Zones
UTC+07:00
Current time
Your time
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Laos
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Laos is --
Laos, located in South-Eastern Asia, is a nation with a rich identity. Its capital city, Vientiane, serves as the administrative center for a population of approximately 7.6M.
The official currency is the Lao kip (₭). When calling Laos, the country code is +856. The country observes the UTC+07:00 time zone(s), and the primary language(s) spoken include Lao.
Population
7.6M
Population Rank
#99 of 230
Language Footprint
Lao
Time Zone Footprint
UTC+07:00
City/Area Code Coverage
7 locations listed
Dial Code Status
Exclusive code in dataset
Laos currently has a 10-digit local number pattern in this guide, with country code +856.
Exit Code in Hong Kong
001 (dial 001 (or + from mobile))
Hong Kong Country Code
+852
Route Dialing Pattern
001 856 20 23 123 456
Capital Time Difference
1h destination behind
Best Calling Window (Origin Time)
10:00-19:00
Currency Pair
Hong Kong dollar ($) -> Lao kip (₭)
Primary languages: Hong Kong (English, Chinese) and Laos (Lao).
Shared language overlap: No direct overlap in primary language list. Primary timezones: Hong Kong (UTC+08:00) and Laos (UTC+07:00).
Use this route profile to plan a real call from Hong Kong to Laos, including the exit code, destination country code, time difference, and local context.
From
Hong Kong
To
Laos
For dialing this route, callers in Hong Kong usually start with 001 or the plus sign, then dial +856 before the local Laos number.
Hong Kong's primary timezone in this dataset is UTC+08:00, while Laos's is UTC+07:00. A practical origin-time calling window is 10:00-19:00.
Hong Kong callers are represented by HK/HKG, with City of Victoria as a capital reference point, Eastern Asia, 7.5M people, Hong Kong dollar ($), and primary language context of English, Chinese.
Origin exit prefix: 001 or + from mobile. Origin country code: +852. Origin time zones: UTC+08:00.
Laos is represented here by LA/LAO, Vientiane, South-Eastern Asia, about 7.6M people, Lao kip (₭), and primary language context of Lao.
Destination calling code: +856. Destination time zones: UTC+07:00. Rate check: check live price before dialing.
This route combines Hong Kong's outbound dialing rules with Laos'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: 001 856 local number. Business-hour window: 10:00-19:00. Time relationship: 1h destination behind.
Destination market: Laos is in South-Eastern Asia, with Vientiane as a main administrative center. Calls from Hong Kong may reach family, companies, banks, hotels, clinics, or public offices across a market of about 7.6M. Primary language context: Lao. Local billing and everyday prices use Lao kip (₭).
Route context: Hong Kong is listed in Eastern Asia with a population of about 7.5M; Laos is listed in South-Eastern Asia with about 7.6M. The main listed languages differ: Hong Kong (English, Chinese) and Laos (Lao). Currency context also changes across the route: Hong Kong dollar ($) in Hong Kong and Lao kip (₭) in Laos.
| City / Region | Area Code | Full Dialing Pattern |
|---|---|---|
| Loungprabang | 856-71 | +856-71 [local number] |
| Mobile Phones | 856-20 | +856-20 [local number] |
| Pakse | 856-31 | +856-31 [local number] |
| Pakxan | 856-54 | +856-54 [local number] |
| Svannakhet | 856-41 | +856-41 [local number] |
| Thakhek | 856-51 | +856-51 [local number] |
| Vientiane (Capital) | 856-21 | +856-21 [local number] |
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