Found a Dog? How the Microchip Gets It Home

A microchip isn't GPS. It can't track a dog. It only holds an ID number, which a scanner reads (AVMA).

Step by step

Check the collar first. An ID tag or rabies tag is often the fastest way to reach the owner (AVMA).
Get the dog scanned for free at a vet clinic, animal shelter, or animal control. They routinely scan stray animals, and universal scanners read virtually all chips commonly used in the U.S. (AVMA).
Look up the number at petmicrochiplookup.org. The tool lists the registries to contact, but it won't show owner details (AAHA).
Call the registry listed first. The registry contacts the owner, which protects the owner's privacy.
If the chip was never registered, the lookup lists the company that sold it. You can ask that company for "trackback" information on who bought the chip, which may lead to the owner (AAHA).

Why a scan can miss a chip

Chips can migrate from between the shoulder blades. Scans can also be thrown off by a dog that won't stay still, long matted hair, fat deposits, or a metal collar. A full-body scan helps (AVMA).

Also check your local shelter's found-pet rules. They vary by county, and we haven't listed them here.

Info may be outdated. Verify with the source.

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