Which is the best Address Validation Tool ?
Melissa started as a US mailing company in 1985. This gives us decades of experience with the ins and outs of the many patterns people use in writing addresses, the common mistakes made, and the evolution of the mail stream. We are a long-standing USPS CASS Certified.

Melissa’s Global Address Verification service verifies addresses for 240+ countries and territories at the point of entry and in batch to ensure only valid billing and shipping addresses are captured and used in your systems.