David Wang
-Updated on June 26, 2026
What does an OCA tracking number look like?
A standard OCA parcel (paqueteria) tracking number is a long numeric code of around 19 digits, for example 1217400000000027653, with no letters. Document products use different shapes: a Carta Documento reference is two letters plus eight digits, and a postage stamp (estampilla) reference is three uppercase letters plus eight digits.
Related Articles
What Does a UPS Tracking Number Look Like? A Guide
You open a shipping confirmation email, spot a long string like 1Z662F416878787827, and pause for a second. Is that the tracking number, the order num
Read More
What Do USPS Tracking Numbers Look Like A 2026 Guide
Ever looked at a shipping receipt and wondered which of the long strings of numbers is the actual tracking code? It’s a common moment of confusion.
Fo
Read More
What does a Japan Post tracking number look like?
International Japan Post numbers are 13 characters: two letters, nine digits, and two more letters ending in JP, for example EE123456789JP. Domestic Y
Read MoreWhat does an Australia Post tracking number look like?
Domestic article IDs are usually alphanumeric or numeric and range from about 10 to 36 characters. International items follow the UPU S10 format — two
Read MoreWhat does my tracking number look like?
USPS Tracking® 9400 1000 0000 0000 0000 00 Priority Mail® 9205 5000 0000 0000 0000 00 Certified Mail® 9407 3000 0000 0000 0000 00 Collect On Delivery
Read MoreHow does a DHL tracking number look like?
The tracking number is assigned to your shipment by DHL, and is a 10 digit number. Shippers can found the number next to the word “Waybill” on electro
Read More