Cambodia ISO Codes: KH, KHM, 116 and .kh
Cambodia ISO codes are used in forms, databases, travel records, shipping systems, websites, and international datasets. The current ISO 3166-1 codes for the Kingdom of Cambodia are KH, KHM, and 116. Cambodia also has the internet country-code top-level domain .kh, but that belongs to the domain-name system, not to every country-code field. This guide explains each Cambodia country abbreviation and separates it from related codes such as +855, KHR, and CAM.
Quick Answer: Cambodia ISO Codes
The official Cambodia ISO country code values are KH for alpha-2, KHM for alpha-3, and 116 for the numeric code. These are the values to use when a form asks for Cambodia's two-letter country code, three-letter country code, or numeric country code. The ISO country code lookup is supported by the ISO Online Browsing Platform.
| Code type | Cambodia value | Common use |
|---|---|---|
| ISO 3166-1 alpha-2 | KH | Two-letter country code, forms, country selectors |
| ISO 3166-1 alpha-3 | KHM | Three-letter country code, datasets, travel records |
| ISO 3166-1 numeric | 116 | Numeric country code, statistical systems |
| Internet ccTLD | .kh | Cambodia internet domain |
What Each Cambodia ISO Code Means
ISO 3166-1 gives countries and territories standardized identifiers in different formats. For Cambodia, the three main country-code formats are useful in different situations. The safest approach is to match the code format requested by the field rather than using one Cambodia abbreviation everywhere.
KH: The ISO 3166-1 Alpha-2 Code
KH is Cambodia's ISO 3166-1 alpha-2 code. This is the Cambodia two-letter country code that many people need when completing online forms, selecting a country in a database, or setting a location value in software.
Alpha-2 codes are short country identifiers. They often appear in country dropdowns, address forms, shipping tools, data feeds, and internet-related systems. If a field asks for Cambodia's country abbreviation in a two-letter format, the expected value is usually KH.
For example, a business contact record may store the country as KH while storing the city separately as Phnom Penh. In that case, KH identifies the country, while Phnom Penh remains the local city value.
KHM: The ISO 3166-1 Alpha-3 Code
KHM is Cambodia's ISO 3166-1 alpha-3 code. It is the Cambodia three-letter country code used in some international records, datasets, travel systems, and reporting formats.
Alpha-3 codes are often easier to recognize than two-letter codes because they contain three letters. For Cambodia, KHM is the ISO country code in this three-letter format. It should not be confused with CAM, which is used in Olympic and sports contexts.
A practical mapping is simple: KH is the two-letter ISO country code, KHM is the three-letter ISO country code, and 116 is the numeric ISO country code.
116: The ISO 3166-1 Numeric Code
116 is Cambodia's ISO 3166-1 numeric code. Numeric country codes are useful when a system needs a language-neutral or machine-readable country value.
Numeric codes are common in statistical and data systems because numbers do not change when a system is translated into another language. UN data listings for Cambodia also show KHM and identify Phnom Penh as the capital city, with country metadata available through UN Data.
Use 116 only when the field is clearly asking for a numeric country code. Do not assume that every field containing a number uses the same code system. A phone field, currency field, or tax field may require a different type of number.
Cambodia Internet Domain and Digital Uses
Cambodia's internet identity is closely linked to KH, but domain names follow their own technical and administrative rules. The most visible digital code is .kh, the country-code top-level domain for Cambodia.
The .kh Internet Domain
Cambodia's country-code top-level domain is .kh. This is the Cambodia internet domain used in website addresses that are registered under the Cambodian country-code domain space.
The .kh domain is connected to the ISO alpha-2 code KH, but it is managed through the domain-name system rather than by ISO country-code rules alone. IANA delegation data lists the Telecommunication Regulator of Cambodia (TRC) as the ccTLD manager for .kh, according to IANA.
If you are choosing a web address for a Cambodia-focused organization, .kh may signal a local connection. However, domain registration rules, eligibility, and available second-level options should be checked with the relevant registrar or registry information before making a business decision.
Locale, Data, and Country Selector Uses
KH can appear in many practical digital settings. You may see it in software localization, country dropdowns, address forms, shipping systems, analytics datasets, identity records, and internal company databases.
A simple example is a customer profile that uses KH as the country value, Phnom Penh as the city, and a separate phone field beginning with +855. Another system may request KHM instead of KH because it uses three-letter country codes. A statistical file may request 116 because it stores countries as numeric values.
Keep these fields separate. The country code, calling code, internet domain, currency code, and sports code may all describe Cambodia in some way, but they do not mean the same thing.
Related Cambodia Codes That Are Not ISO Country Codes
Many searches for Cambodia country code mix several systems together. This is understandable because the phrase country code can refer to telephone numbers, domain names, currencies, sports teams, and ISO records. The sections below show which Cambodia code belongs to which system.
+855: The International Calling Code
+855 is Cambodia's international calling code. It is used for telephone numbers when calling Cambodia from another country.
The +855 code belongs to international telecommunication numbering. It is not an ISO 3166 country code. If a form asks for an ISO country code, it usually wants KH, KHM, or 116, not +855.
A practical way to separate the fields is this: use +855 in a phone-number field, and use KH in a two-letter country field. For example, a contact record may list country as KH and phone country code as +855.
KHR: The Currency Code for the Cambodian Riel
KHR is the currency code for the Cambodian riel. It is an ISO 4217 currency code, not an ISO 3166 country code.
This distinction matters in payment forms, invoices, banking records, accounting systems, and exchange-rate tables. A payment record may use KH for the customer's country and KHR for the currency of the transaction. UN country metadata also identifies Cambodia's national currency as the riel in UN Data.
Do not treat KH and KHR as interchangeable. KH identifies the country in a two-letter country-code format. KHR identifies the currency, the Cambodian riel.
CAM: The Olympic Code for Cambodia
CAM is Cambodia's current Olympic abbreviation. It differs from the ISO alpha-3 country code KHM.
Olympic codes are used in sports and National Olympic Committee contexts. They are not general-purpose ISO country codes for databases, government forms, shipping records, or country selectors. A list of IOC country codes and historical code notes is available from Wikipedia, but for official country-code fields the ISO values remain KH, KHM, and 116.
The practical mapping is simple: ISO alpha-2 is KH, ISO alpha-3 is KHM, and the Olympic code is CAM.
How to Use Cambodia Codes Correctly
The best way to avoid errors is to read the field label carefully. A country field, phone field, domain field, currency field, and sports-code field may all use short Cambodia-related codes, but each field expects a different value.
Match Each Code to the Right Field
Use KH for a two-letter country field, KHM for a three-letter country field, and 116 for a numeric country field. Use .kh only for internet domain contexts, +855 only for telephone-number contexts, KHR only for currency contexts, and CAM only for Olympic or sports contexts.
| If the field asks for | Use | Do not use |
|---|---|---|
| Two-letter country code | KH | CA, KHM, +855 |
| Three-letter country code | KHM | CAM, KHR |
| Numeric country code | 116 | +855 |
| Internet domain | .kh | KH without the dot |
| Telephone calling code | +855 | KH or KHM |
| Currency code | KHR | KH |
| Olympic or sports code | CAM | KHM, unless the event system requests ISO |
This separation is especially useful for travelers, students, remote workers, and businesses that handle international addresses, payments, phone numbers, and documents for Cambodia.
Avoid Common Confusions
A common mistake is using CA as a Cambodia country abbreviation. In ISO alpha-2 contexts, CA is associated with Canada, not Cambodia. Cambodia's two-letter ISO country code is KH.
Another common confusion is the phrase country code. It can mean an ISO country code, a telephone calling code, a country-code top-level domain, a currency code, or a sports code. The correct answer depends on the field: KH for a two-letter ISO country code, +855 for calling Cambodia, .kh for the internet domain, KHR for the Cambodian riel, and CAM for Olympic contexts.
If you are searching for ISO certification in Cambodia, such as ISO 9001 or ISO 14001 services, that is a different topic. This article covers Cambodia country codes, not business certification or audit services.
Conclusion
The current Cambodia ISO codes are KH, KHM, and 116. KH is the two-letter country code, KHM is the three-letter country code, and 116 is the numeric country code. Cambodia's internet domain is .kh, while related codes such as +855, KHR, and CAM belong to telephone, currency, and sports systems. When in doubt, match the Cambodia code to the exact field label rather than using one abbreviation for every purpose.
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