Sales Tax Rate Lookup

Combined rate by ZIP, address or postal code · all 50 states + Canada

US ZIP or address, or Canadian postal code

A bare ZIP gives the rate where most of that ZIP's residents live; enter a full street address for the city-limits rate. Canada: one rate per province (no local sales tax), from the CRA table. It does not determine taxability, sourcing, or nexus. Not tax advice.
Data: official, free sources for all 50 states + DC — Streamlined Sales Tax · California CDTFA (live) · each state Department of Revenue’s own rate files · statewide & county tables · Canada Revenue Agency GST/HST/PST rates.