AtlasIdentifiersMCC

Merchant classification intelligence

MCC lookup

Compare the same four-digit MCC across the ISO base list, Visa, Mastercard and American Express without treating network-specific wording as one universal definition.

921 canonical MCCs2,911 list-specific variants4 loaded code setsVersioned ISO and network meaning
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An MCC classifies an accepting outlet or activity—not a merchant identity. The acquirer and card network determine the operational assignment, so descriptions can differ by list and version.

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Lookup covers an open ISO 18245:2003 legacy snapshot plus April 2024 Visa, Mastercard and American Express snapshots. Current ISO 18245:2023 and official network editions remain registered as freshness references where full republication is rights-gated.