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Start with the local office: most delivery problems are route-level and the local postmaster can fix them fastest. If that goes nowhere, escalate: USPS Consumer Affairs for service issues, or the USPS Inspector General for theft and misconduct. In Canada, complain to Canada Post customer service first, then the ombudsman. Document everything before you call.
| Problem | Where to complain |
|---|---|
| Chronic misdelivery or a bad carrier on your route (US) | Your local post office or postmaster first; then USPS Consumer Affairs |
| Suspected mail theft or employee misconduct (US) | The USPS Office of Inspector General; the Postal Inspection Service for mail crimes |
| Damaged, lost, or late mail (Canada) | Canada Post customer service, with tracking numbers ready |
| Canada Post complaint gone nowhere | The Canada Post ombudsman, after customer service has had its chance |
Complaints with dates win; complaints with vibes don't. Write down what happened and when: the dates of the missed deliveries, the tracking numbers, what the tracking page said versus what actually arrived. Photograph damaged mail before you open it further, and keep the packaging: a crushed box with its labels intact tells the story better than your description. Note the names of everyone you speak to and the reference numbers they give you. When you escalate, "I called on Tuesday and spoke to Maria, reference 4821" moves things in a way that "nobody helps me" never will.
They handle different categories of problem, and sending yours to the wrong one just adds delay. USPS Consumer Affairs deals with service quality: late mail, bad delivery, broken promises. The Office of Inspector General deals with wrongdoing: theft, fraud, misconduct by employees or contractors. Late mail is not OIG territory, and suspected theft is not a Consumer Affairs ticket. In Canada the split is simpler: customer service first for everything, and the ombudsman only as the second step when customer service hasn't resolved it. The ombudsman won't take a case you haven't tried to settle directly first.
Yes, whenever the stakes are real. A written complaint with dates creates a record the office can't shrug off, and for anything involving money or legal deadlines, send it in a way that proves delivery. Keep your tone factual and short: what happened, when, what you want fixed. Angry letters get filed; precise ones get answered. And keep a copy of everything you send, because the second call always starts with "as I wrote on the 14th."
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