What is the merchant approval code?

Asked by: Maymie Leuschke  |  Last update: August 20, 2026
Score: 4.9/5 (51 votes)

A merchant approval code (or authorization code) is a unique 5-to-6 digit alphanumeric code generated by a card-issuing bank to verify that a credit or debit card transaction is valid, authorized, and has sufficient funds. This code confirms the transaction is approved and guarantees funds to the merchant.

Where can I find my merchant code?

You can find this information by contacting your credit card processor (such as Visa or Mastercard) and inquiring. You may also be able to find the information online by searching for terms like “Visa merchant category codes.” Consumers can look for merchant category codes on their bank or credit card statements.

What is an approval code?

A credit card authorization or approval code is an alphanumeric string generated at the POS. Normally consisting of five to six characters, this one-time approval code is unique to each transaction.

What is the merchant authorization code?

An authorization code helps the merchant understand how to proceed — if the transaction should be completed or not. Codes usually fall into three categories: Approved: The card has not been reported lost or stolen, the account is in good standing, and the account has sufficient funds to cover the transaction.

How do I look up a merchant code?

Finding Your Business's MCC Code

Merchants can contact their credit card processor or check card statements for their assigned MCC. Additionally, searching online for specific merchant category codes of a credit card issuer can help locate the MCC.

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18 related questions found

What is the 6 digit approval code?

A credit card authorization number is an alphanumeric code – typically two to six digits long – you'll receive when a credit or debit card payment has been approved. It's important not to confuse a credit card authorization number – which confirms the transaction's validity – with a denial code.

What is a 4722 merchant code?

What is MCC 4722? The Merchant Category Code (MCC) 4722 is an identifier used in the payment processing industry, specifically designated for businesses operating as travel agencies and tour operators.

What is a 5944 merchant code?

MCC 5944 is categorised for retail establishments engaging primarily in the sale of luxury goods: Watch and Clock Stores: Retailers focused on timepieces, from designer watches to traditional clocks.

What is a 9399 merchant code?

MCC 9399 refers to a unique classification for government services that are not classified elsewhere. As part of the broader MCC system, these codes help identify transactions related to specific service sectors for proper payment routing and categorisation.

What is the POS approval code?

A six digit alphanumeric code assigned by the Issuer to identify the approval for a specific authorization request. This guarantees the merchant that funds will be available for 30 days, and freezes the card holder's funds for 10-21 days, presuming proper protocols are followed.

What is an approval number?

Approval number:

The number to be granted to the request data approved by the last approver. Sequential numbers are given in the order in which they are last approved.

What is a merchant code?

If you've set up a card program before—or any business to accept payments—you've likely encountered merchant category codes (MCCs). An MCC is a four-digit number that classifies the type of goods or services a business offers.

What is a 7273 merchant code?

MCC 7273 specifically applies to businesses primarily engaged in providing personal service activities related to dating. These include: Dating Services: Companies that facilitate introductions, matchmaking, and personal ads. Escort Services: Enterprises offering companionship services in various settings.

What is a 5933 merchant code?

Merchant Category Code (MCC) 5933 applies to businesses primarily engaged in pawn shops and salvage yards. Understanding merchant category codes facilitates better transaction reporting and optimises business strategies.

What is a 5521 merchant code?

MCC 5521 is the code assigned to businesses predominantly operating in the market of used automobiles, including dealerships offering a selection of pre-owned vehicles. These businesses include: Used Car Dealers: Establishments specialising in the sale of pre-owned cars.

What is a 5964 merchant code?

MCC 5964 comprises businesses that operate in the realm of direct catalogue and mail-order retail. Such entities include: Catalogue Order Stores: Retailers that offer a variety of products through catalogues, allowing customers to purchase from the convenience of their homes.

What is a 7995 merchant code?

MCC 7995 is reserved for the gambling industry: casinos, sportsbooks, lottery vendors, racetracks, and even online bingo platforms. If your business revolves around bets or winnings, consider this your digital payments badge.

What is a 6012 merchant code?

The merchant category code 6012, also known as the MCC code, is related to payments taken for financial institutions, primarily those merchants that deal with loan payments or other credit-related activities.

Is 378282246310005 a valid credit card number?

For test transactions, you can use any of the following numbers: American Express - 378282246310005 (Use any 4-digit number for the Card Security Code) Diners Club - 30569309025904 (Use any 3-digit number for the Card Security Code) Discover - 6011111111111117 (Use any 3-digit number for the Card Security Code)

What is the authorization approval code?

An authorization code is typically a sequence of letters, numbers, or a combination of both, that validates a person's identity, approves a transaction or provides access to a secured area.

What is the 2 3 4 rule for credit cards?

The 2/3/4 rule is a guideline, primarily used by Bank of America, that limits how many new credit cards you can get: no more than 2 in 30 days, 3 in 12 months, and 4 in 24 months, helping to prevent over-application and manage hard inquiries on your credit report. While not universal, it's a useful benchmark for responsible card application, though other banks have different rules (like Chase's 5/24 rule).