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ExternalCustomerDeviceType1Code

UNKW Code: Unknown

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UNKW means unknown in the ISO 20022 customer device type code set. Device type cannot be determined or is not disclosed.

Code
UNKW
ISO name
Unknown
Status
Registered
Last updated
2022-06-01

Official definition

Device type cannot be determined or is not disclosed.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalCustomerDeviceType1Code

MessageElement path
caad.008versions 001.03
caad.009versions 001.03
cafm.001versions 001.04
cafm.002versions 001.04
cain.001versions 001.05
cain.003versions 001.05
cain.005versions 001.05
cain.014versions 001.04

And 5 more messages: see the ExternalCustomerDeviceType1Code page.

UNKW questions

What does UNKW mean in ISO 20022?
UNKW is Unknown in the ExternalCustomerDeviceType1Code code set: Device type cannot be determined or is not disclosed.

All ExternalCustomerDeviceType1Code codes · ISO 20022 code sets

The ISO 20022 code names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.