Compare ZIP Code resolutions

A Business Decision on Granularity

Zip Code Resolution

ZIP Code resolution

The most economical service for companies wanting to improve efficiency while maintaining affordability. City and town names with sales tax detail are provided for every locality with a 5-digit ZIP code.

Zip+4 Resolution

SalesTax+4® resolution

A very high level of jurisdictional certainty at an affordable price. Sometimes referred to as the 9-digit ZIP code, the first 5 digits determine a delivery area, such as a town and state, and the additional 4 digits target the location to within one side of a street.

Spot-On Resolution

Spot-On® resolution

The most accurate granularity for companies that need precision data. This method validates the US postal address and converts it into latitude and longitude coordinates to provide the highest level of resolution available.