OkaypupDog microchip number: where to find it and keep it
Your dog's microchip number is usually on a paper from the breeder, shelter or clinic that implanted it, and a vet can scan the chip to read it. Look the number up in a registry tool, check that your contact details are current, and store the number where forms can find it.
Coming soon to iPhone
How do I find my dog's microchip number?
Check the papers first: the adoption contract, the purchase paperwork or the vaccine record often list the number. If you cannot find it, ask your vet. A clinic can scan the chip with a reader and write the number down for you.
If the clinic scans the chip, ask them to also tell you which registry the number belongs to. That tells you where to update your details. Keep the number on a card in your wallet or in your phone notes.
Do not guess the digits. One wrong digit points at a different animal or at no record at all.
What is a microchip, and what does it do?
A microchip is a small implant under the skin that carries an identification number. As the Wikipedia article on the animal microchip implant describes, it holds a number and nothing else. A reader picks up the number, and a registry matches the number to an owner.
This is why the registry matters as much as the chip. A chip with no registry entry, or an old phone number, leaves a finder with nothing to call.
Many chips use a 15-digit number, though formats differ between regions and makers, so copy the digits exactly as printed.
How does a microchip lookup work?
A lookup tool takes the number and tells you which registry or registries hold it. In the United States the American Animal Hospital Association runs a Universal Pet Microchip Lookup that points to the registry for a number. Other countries have their own tools.
A lookup shows where to go. To change the details, you contact the registry itself and prove you are the owner. The registry may charge a fee or ask for an account.
Ask your clinic if you are unsure which tool applies in your area.
What should I check after the lookup?
Read the record that comes back, or log in to the registry account. Confirm your name, address and at least one phone number that you answer. Add a second contact, such as a family member, in case you cannot be reached.
| Detail | Check that it is |
|---|---|
| Owner name | Yours, not the breeder's or shelter's |
| Phone numbers | Current, and one that always works |
| Address | Where the dog lives now |
| Backup contact | Someone who knows the dog |
| Pet details | Name, breed and description match |
Why do records go out of date?
People move, change phone numbers and forget the registry. Another common cause is a change of owner: the chip stays registered to the breeder, a rescue or the previous owner. A new owner must transfer the registration.
Set a reminder once a year to check the entry. In Okaypup you can create a custom reminder and write what to check in the notes. The reminder is yours, so you decide the date.
Do the same after any move. Our moving checklist includes the microchip step.
Where should I store the number?
Store it in three places: on paper in your document folder, in your phone and on your dog's tag or collar if you wish. In Okaypup the number goes in your dog's profile, and the passport screen and the visit summary both show it.
The records wallet also has a microchip document type. Photograph the paper that lists the number, file it, and add the date.
Use the same number on every form, so a daycare, a clinic and an insurer all match.
Who needs the microchip number?
Vets ask for it at registration, boarding places ask for it with the vaccine record, insurers ask for it in policy forms and travel authorities ask for it on official documents. Having it at hand makes forms quick.
For travel across borders, the microchip often has its own rules and sometimes must be implanted before certain vaccines. Ask your veterinarian and the destination authority for details. Our travel documents guide covers how to organize the papers.
Do not share the number publicly. Give it to the people who need it and no one else.
What if the chip cannot be read?
If a scanner finds no chip or reads an unexpected number, tell your veterinarian. They can scan again, check the paperwork and advise what to do. Do not assume the chip is missing.
Keep the tag and collar current in the meantime, since a visible phone number helps a finder faster than a scanner.
Never try to correct a number yourself on an official form. Ask the clinic or registry to fix the record.
Can I transfer the registration to a new owner?
Yes, in most registries the current registered owner starts the transfer, and the new owner accepts it. If you adopted a dog and the chip is still registered to a shelter or breeder, contact them and ask how they handle transfers.
Keep the email or form that confirms the change. If a dispute ever arises about who owns the dog, a dated confirmation from the registry is a useful document.
If the previous owner cannot be reached, the registry or your clinic can explain what proof they accept.
Is a microchip the same as an ID tag?
No. A tag is visible and can be read by anyone, but it can fall off with the collar. A chip stays in place but needs a scanner and a registry entry. Most owners use both, because each covers the gap the other leaves.
Put a phone number on the tag rather than the full address if you prefer privacy. Make sure the number is one you answer, including from unknown callers.
Our guide to dog ID tag information covers what to put on a tag.
A short routine for microchip records
Doing these four things once means your dog's chip does its job.
- Find the number on your papers or ask your vet to scan
- Look it up and note the registry
- Log in and update your details
- Save the number in your dog's profile and your records
Frequently asked questions
Where is my dog's microchip number written?
Check the adoption or purchase papers, the vaccine record and any registry email. Your veterinarian can also scan the chip and give you the number.
Can I look up a microchip number online?
Yes. Lookup tools tell you which registry holds the number. Your vet or the chip's maker can also point you to the right one.
Do I need to update my details after I move?
Yes. Contact the registry that holds the chip and update your address and phone number.
Does a microchip track my dog's location?
No. As the Wikipedia article describes, the implant carries a number and is read by a scanner at close range.
Where does Okaypup store the microchip number?
In your dog's profile and the records wallet. The passport and visit summary show the number.