We are the leading provider of sales tax and use tax rates databases

Tax Data Systems is the leading provider of sales tax and use tax databases. We track the tax rates of thousands of taxing jurisdictions throughout the country to provide you with the most accurate data available. We have the experience you expect, the accuracy you demand, world class customer support, and all for prices that make sense to your bottom line. Join the thousands of companies that rely on our data for their sales tax solution.

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The TDS Zip+4 Edition Databases

The TDS Zip+4 Edition Databases Include: Zip Codes plus 4 low and plus 4 high ranges State Abbrev, County Name, City Name Sales and use tax rates at the state, county, city, SPD, MTA, and 4 'other' levels Total sales and use tax rates If shipping or shipping and handling is taxable County and City Reporting Codes FIPS codes for state, county, and city FIPS Geocode Location codes for SPD, MTA, and other 1-4 taxes Effective dates for state, county, city, SPD, MTA, and other 1-4 taxes Min and max tax amounts and rates above those amounts Who collects county and city taxes - Product Pricing - File Format - Sample Data - Purchase Now