CIBC written dispute & complaint mailing address
To send CIBC a written dispute or complaint by mail, use CIBC, CIBC Client Care, Station A, P.O. Box 15, Toronto, ON M5W 1A2. Sending CIBC a formal written complaint about an account, credit card, or service issue. This is not a payment address — don't mail a payment here. Include your account number and a clear description of the issue, and keep a copy for your records.
CIBC — CIBC Client Care — written complaints
CIBC CIBC Client Care Station A, P.O. Box 15 Toronto ON M5W 1A2
Sending CIBC a formal written complaint about an account, credit card, or service issue.
Write it now. We print & mail it for $6.
Type your letter in the browser. We print it, stamp it, and hand it to Canada Post — usually same business day. No printer, no stamps, no post office.
$6 flat · postage included · no account needed
- You write & pay
- We print & envelope
- Canada Post, next business day
- Confirmation of Mailing emailed
Your name
Your return address
CIBCCIBC Client CareStation A, P.O. Box 15Toronto, ON M5W 1A2
Your letter, printed and mailed for you.
Key facts
- This address is for written disputes and complaints — not for sending a payment.
- CIBC is a bank.
- If Client Care's response doesn't resolve it, you can escalate to the CIBC Client Complaint Appeals Office (P.O. Box 342, Commerce Court, Toronto, ON M5L 1G2), then to the independent Ombudsman for Banking Services and Investments (OBSI).
- Include your account number, a clear description of the issue, and any supporting documents.
- PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.
How to send your letter
- 1
Write your letter
State your full name and account number, the transaction or issue you're disputing (with the dollar amount, if it's a billing error), and what you'd like CIBC to do. Keep a copy for your records.
- 2
Attach supporting documents
Include copies (not originals) of anything that supports your case — a receipt, a merchant email, a statement excerpt, or a prior response from CIBC.
- 3
Address it to CIBC
Address it exactly as shown above: CIBC, CIBC Client Care, Station A, P.O. Box 15, Toronto ON M5W 1A2.
- 4
Send it with PostPal
Write or upload your letter to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.
Common questions
What is CIBC's address for a written dispute or complaint?
CIBC, CIBC Client Care, Station A, P.O. Box 15, Toronto, ON M5W 1A2. Sending CIBC a formal written complaint about an account, credit card, or service issue. Confirm it on CIBC's official site before anything time-sensitive — issuers do update these addresses.
Can I send a payment to this address?
No. This is a written-correspondence address for disputes and complaints, not a payment address. CIBC's payment address is different and is usually printed on your own statement or card — mailing a payment here risks delay or misapplied funds.
What happens after I send my letter?
If Client Care's response doesn't resolve it, you can escalate to the CIBC Client Complaint Appeals Office (P.O. Box 342, Commerce Court, Toronto, ON M5L 1G2), then to the independent Ombudsman for Banking Services and Investments (OBSI).
What should I include in the letter?
Your full name, account number, a clear description of the issue (with the date and amount, if it's a transaction), and what outcome you're asking for. Copies of any supporting documents strengthen your case.
How do I mail this without a printer?
Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.
Sources
Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.