Country Code Lookup
Find ISO codes, calling codes, currency and more for any country.
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What Country Codes Mean
Every country has several standardized codes used in different contexts. This tool shows all of them for any country you search.
- ISO Alpha-2 — two letters (US, GB, DE), used in domains and forms.
- ISO Alpha-3 — three letters (USA, GBR, DEU).
- Numeric code — a three-digit number (840 for the US).
- Calling code — the international dialing prefix (+1, +44).
- Currency, capital and internet domain — extra reference details.
Example
The United States: ISO Alpha-2 US, Alpha-3 USA, numeric 840, calling code +1, currency USD, capital Washington, domain .us.
Frequently Asked Questions
The ISO 3166 standard assigns each country a two-letter (Alpha-2), three-letter (Alpha-3) and three-digit numeric code. For the United States these are US, USA and 840.
An ISO country code (like US) identifies the country in data and forms, while the calling code (like +1) is the prefix you dial to reach a phone number there.
Search the country name and the tool shows its calling code along with ISO codes, currency and capital.
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