Track USPS packages & shipments
Real-time USPS tracking: every checkpoint, customs updates and a precise delivery window — for one number or ten.
Accepted USPS formats
✓ Valid20-26 digits (IMpb)
9261290100131216000000✓ Valid20 digits (legacy)
03071790000523483741✓ ValidS10 (…US)
RR123456785USNumbers with a checksum are validated before we call any API — fewer wrong numbers, fewer wasted lookups.
How USPS tracking works
- 1
Paste your USPS tracking number above — GetPackRoute detects the format and validates its checksum when the carrier uses one.
- 2
We resolve the full custody chain: origin hub, international line-haul, customs and the last-mile carrier that completes delivery.
- 3
You get a clean timeline with local times, a route map and a shareable link — in English or Spanish.
USPS tracking — FAQs
How do I track a USPS package?
Paste your USPS tracking number into the GetPackRoute search box (for example 9261290100131216000000). We detect the format automatically, validate the check digit when the carrier uses one, and show every scan, customs step and the delivery estimate — free and without an account.
What does a USPS tracking number look like?
Accepted formats: 20-26 digits (IMpb) · 20 digits (legacy) · S10 (…US). A valid example: 9261290100131216000000.
How long does USPS take to deliver?
USPS typically takes 2–10 days for international shipments; domestic legs are faster. GetPackRoute's estimated window sharpens with every scan.
Why is my USPS tracking not updating?
Silences of 3–10 days between sorting hubs are normal, especially on international legs. If the last scan is older than 15 days, contact the seller or open a claim with the tracking number.
Is USPS tracking free on GetPackRoute?
Yes — tracking, the route map and share links are free with no account. Your history is stored only on your device.
Does USPS deliver internationally?
Yes. USPS moves international shipments with typical windows of 2–10 days, often with a local last-mile partner.