How to Locate CUSIP Numbers for Municipal Bonds

CUSIP stands for Committee on Uniform Securities Identification Procedures . A CUSIP number is a unique number that identifies a security. These numbers are assigned to United States and Canadian stocks and U.S. government and municipal bonds, as well as commodities and syndicated loans. The CUSIP identifier is made up of a mix of nine letters and numbers. It is issued by CUSIP Global Services, an entity that Standard & Poor's operates. The unique identifier helps eliminate any confusion that might occur through the use of ticker symbols, for example.

Step 1

Visit the Municipal Securities Rulemaking Board website.

Step 2

Type the name of the municipal bond into the "Muni Search" box. Click the arrow to the right of the search box or strike "Enter" on your keyboard.

Step 3

Look for the CUSIP-6 number near the top left of the resulting screen. This represents the first six digits of the full CUSIP number of a bond series. The series are distinguished by issue date in a list of abbreviated bond descriptions beneath the CUSIP-6 number. Select the bond description with the appropriate issue date. The subsequent screen displays each individual CUSIP number and its corresponding maturity date.


  • You can also find CUSIP number at the CUSIP Global Services website. You must first become a subscriber. Fees may apply.

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