What is the currency code of the Czech Koruna?

CZK, with the numeric code 203 (ISO 4217).

How many decimals does CZK have?

2. An amount in CZK can have up to 2 digits after the decimal mark.

Which country uses CZK?

Czechia, according to ISO 4217 list one.

What is currency code 203?

203 is the ISO 4217 numeric code of CZK (Czech Koruna). Numeric codes are often the same as the ISO 3166 numeric code of the country.

ISO 4217 currency code

CZK: Czech Koruna

Written and maintained by ZagTrader. Last reviewed 21 October 2026. How this page is sourced and checked

CZK is the ISO 4217 code of the Czech Koruna, used in Czechia. Its numeric code is 203 and it has 2 decimals.

Alphabetic code: CZK
Numeric code: 203
Minor units: 2
Type: Currency

Where CZK is used

Czechia

CZK in financial messages

Standard	How it is written	Example
Swift MT, field 32A	Value date, currency code and amount with a comma as the decimal mark and no separators	`:32A:261022CZK1250,75`
ISO 20022	The `Ccy` attribute of the amount element; a dot as the decimal mark	`<IntrBkSttlmAmt Ccy="CZK">1250.75</IntrBkSttlmAmt>`
FIX	Tag 15 Currency (and 120 SettlCurrency), with the amounts in their own tags	`15=CZK`

See how to read field 32A, the MT103 and pacs.008 pages, or paste a message into the parser to check its amounts against the currency.

Questions

What is the currency code of the Czech Koruna?: CZK, with the numeric code 203 (ISO 4217).
How many decimals does CZK have?: 2. An amount in CZK can have up to 2 digits after the decimal mark.
Which country uses CZK?: Czechia, according to ISO 4217 list one.
What is currency code 203?: 203 is the ISO 4217 numeric code of CZK (Czech Koruna). Numeric codes are often the same as the ISO 3166 numeric code of the country.

GCC currencies

All 178 currency codes

Source: ISO 4217 list one, published 17 September 2026 by SIX Group as the ISO 4217 maintenance agency. ISO is a trademark of the International Organization for Standardization; ZagTrader is not affiliated with ISO or SIX Group.