Address Deliverability Checker
Check address quality before you ship. Catch problems that cause failed deliveries.
Common Address Problems That Cause Failed Delivery
| Problem | % of Failures | How to Fix |
|---|---|---|
| Missing apartment/unit number | ~35% | Always include Apt, Suite, Unit, # |
| Wrong ZIP code | ~20% | Use our ZIP lookup |
| City/state mismatch | ~15% | Verify with postal database |
| PO Box with non-USPS carrier | ~10% | Use USPS or street address |
| Typos in street name | ~10% | Double-check spelling |
| Rural/extended area | ~5% | Verify carrier delivers there |
| Business closed / vacant | ~5% | Confirm recipient is active |