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    MCC Explorer

    API & Database

    API DocsMCP
    MCC Explorer
    MCC CodesBlogGuidesPricingAPI DocsPrivacyTerms

    © 2026 MCC Explorer

    MCC Explorer

    API & Database

    API DocsMCP
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    5. MCC 6399
    Insurance Default

    MCC 6399

    Insurance - Not Elsewhere Classified

    MCC Code

    6399

    Category

    Insurance Default

    Known Merchants

    0+

    API Access

    Fetch this MCC code programmatically:

    GET /api/v2.1/mcc-codes/6399
    curl -X GET "https://mccexplorer.com/api/v2.1/mcc-codes/6399?include=merchants" \
      -H "x-api-key: YOUR_API_KEY"
    What is MCC 6399?

    MCC 6399 is a four-digit Merchant Category Code used to classify businesses that provide insurance - not elsewhere classified. This code falls under the Insurance Default category.

    How is MCC 6399 Used?

    Credit card networks like Visa and Mastercard use MCC 6399 to:

    • Categorize transactions at merchants classified as "Insurance - Not Elsewhere Classified"
    • Determine rewards and cashback eligibility for cardholders
    • Enable expense tracking and reporting for businesses
    • Power fraud detection systems
    Using MCC 6399 in Your Application

    Developers can access MCC 6399 data through our REST API. Use our merchant lookup feature to automatically categorize transactions or build financial tools that require merchant classification.

    MCC 6399 and Credit Card Rewards

    Credit card rewards programs use MCC codes to determine which purchases qualify for bonus categories. If your credit card offers enhanced rewards on insurance default spending, transactions at merchants using MCC 6399 may qualify.

    Common cards that may offer bonuses on insurance default purchases include:

    • Cards with rotating quarterly categories
    • Category-specific cards (dining, travel, etc.)
    • Premium cards with broad category bonuses

    Always check your card's terms to verify which MCC codes qualify for bonus rewards.

    Frequently Asked Questions

    What is MCC code 6399?

    MCC 6399 is a four-digit Merchant Category Code that classifies businesses as "Insurance - Not Elsewhere Classified". This code falls under the Insurance Default category and is used by credit card networks to categorize transactions.

    What types of businesses use MCC 6399?

    Businesses classified under MCC 6399 typically include those that provide insurance - not elsewhere classified. We have 0+ merchants in our database using this MCC code.

    Does MCC 6399 qualify for credit card rewards?

    Whether MCC 6399 qualifies for bonus rewards depends on your credit card's terms. Cards that offer bonuses on insurance default spending may reward transactions at merchants using this code. Check your card's reward categories to confirm.

    How can I look up MCC 6399 programmatically?

    You can access MCC 6399 data through our REST API. Sign up for a free API key to query MCC codes, get merchant mappings, and integrate MCC data into your applications.

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