Also written as: +855 · 00855 · 011 855 (from the USA and Canada) · 00-855
The +855 country code and Cambodia
The +855 country code belongs to Cambodia, officially the Kingdom of Cambodia, in South-Eastern Asia. Cambodia is the only country on this page, and Cambodians are the people who use numbers in this code. The capital is Phnom Penh. Cambodia uses the ISO code KH.
Location, language, currency and time
Cambodia sits in South-Eastern Asia within the wider region of Asia. Phnom Penh is the capital city. The official language is Khmer. Two currencies are in use: the Cambodian riel and the United States dollar. Local time follows the Asia/Bangkok time zone at UTC+07:00.
Number format and internet calling
A Cambodian mobile number in international form is written like this: +855 91 234 567. The +855 prefix replaces the leading zero of the national number.
You can call or message a +855 number over the internet using a data connection. A voice over IP or messaging app carries the call or message as data, so the cost depends on your data plan or app rates rather than on standard international call charges. This works from any country, provided both parties have a working data connection.
Slashtel sends prepaid mobile top-ups to these Cambodia operators: Smart, Cellcard and Metfone. Use the recharge page to top up a Cambodia number for a contact in Phnom Penh or elsewhere in the country. Top-ups are sent to the operator named on the order, and balances are held in the Cambodian riel or the United States dollar according to the operator's practice.
Key facts at a glance
- Country: Cambodia (Kingdom of Cambodia), ISO code KH
- Region: Asia, South-Eastern Asia
- Capital: Phnom Penh
- Language: Khmer
- Currencies: Cambodian riel, United States dollar
- Time zone: Asia/Bangkok (UTC+07:00)
- Number example: +855 91 234 567
- Top-up operators: Smart, Cellcard, Metfone
Internet calling and messaging keep you in contact with +855 numbers using a data connection. Check that the number is written in international format before you dial or send, and confirm the operator before ordering a top-up.
Facts checked 26 October 2026.
Cambodia number format
| International | +855 91 234 567 |
| E.164 (apps and forms) | +85591234567 |
| Inside Cambodia | 091 234 567 |
| Digits after +855 | 8 (numbers can be 8 to 10 digits) |
Example mobile number format from Google's libphonenumber data, not a real subscriber.
How to call Cambodia
| Calling from | Dial |
|---|---|
| Any mobile phone | +855 91 234 567 |
| the United States (landline) | 011 855 91 234 567 |
| Canada (landline) | 011 855 91 234 567 |
| the United Kingdom (landline) | 00 855 91 234 567 |
| Ireland (landline) | 00 855 91 234 567 |
| the United Arab Emirates (landline) | 00 855 91 234 567 |
| Australia (landline) | 0011 855 91 234 567 |
| India (landline) | 00 855 91 234 567 |
| Germany (landline) | 00 855 91 234 567 |
| France (landline) | 00 855 91 234 567 |
| Spain (landline) | 00 855 91 234 567 |
| Saudi Arabia (landline) | 00 855 91 234 567 |
| South Africa (landline) | 00 855 91 234 567 |
| Inside Cambodia | 091 234 567 |
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+855 in other languages
- مفتاح 00855 (+855) هو مفتاح الاتصال الدولي لدولة كمبوديا
- 00855 (+855) est l'indicatif téléphonique de : Cambodge
- +855 (00855) es el prefijo telefónico de: Camboya
- +855 (00855) ist die Ländervorwahl von: Kambodscha
- +855 (00855) è il prefisso internazionale di: Cambogia
- +855 (00855) é o código de país de: Camboja
- +855 (00855) hangi ülkenin kodu? Kamboçya
- +855 (00855): телефонный код страны Камбоджа
- +855 (00855): κωδικός χώρας για Καμπότζη
- +855 (00855) kis desh ka code hai? Cambodia ka country code hai
- +855 (00855) कंबोडिया का देश कोड है
- +855 (00855) کمبوڈیا کا کنٹری کوڈ ہے
- +855 (00855) کد کشور کامبوج است
- +855 (00855) là mã quốc gia của Campuchia
- +855 (00855) คือรหัสประเทศของ กัมพูชา
Questions
Which country has the country code +855?
+855 is the country code for Cambodia.
How do I call Cambodia from the USA or Canada?
Dial 011, then 855, then the number without the leading 0: for example 011 855 91 234 567. From a mobile you can dial +855 91 234 567 instead.
How do I call Cambodia from the UK?
Dial 00, then 855, then the number without the leading 0: for example 00 855 91 234 567.
How many digits is a Cambodia mobile number?
8 digits after the country code +855, or 9 digits including the leading 0 when dialled inside Cambodia. Example: +855 91 234 567.
Which country is 00855?
00855 is Cambodia. 00 is the exit code used in most countries, so 00855, +855 and 011 855 from the USA all reach the same country.
Is +855 the same as 00855?
Yes. The + stands for the exit code of the country you are calling from. In most countries that is 00, so +855 and 00855 are the same. From the USA and Canada the exit code is 011, so you would dial 011855.
Can I send a mobile top-up to a +855 number?
Yes. Slashtel sends prepaid top-ups to Smart, Cellcard, Metfone numbers in Cambodia, paid with a card from any country.
Nearby codes: +852 Hong Kong SAR China · +853 Macao SAR China · +856 Laos · +880 Bangladesh · all country codes