Formatos de Números
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AliExpress Standard Shipping Tracking Format
Your AliExpress LP code changes to a 13-character postal number after leaving China. See exactly when the switch happens and how to track both numbers at once.
Cainiao Tracking Number Format and LP Codes
Decode Cainiao LP00 tracking numbers used by AliExpress and Temu. See why the code changes after leaving China and which local carrier picks up your package.
China Post Tracking: R, E, L, C Prefix Guide
Figure out what the R, E, L, or C prefix on your China Post tracking number actually means. Covers ePacket (LX), EMS (EX), and registered mail (RX) with real number breakdowns.
DHL Tracking Number Format: 10 vs 11 Digits
Tell apart DHL Express 10-digit waybills from eCommerce 11-digit codes and Parcel DE 12-to-20-digit numbers. Includes real examples and the check digit formula.
DPD Tracking Number: UK, DE, and EU Formats
DPD tracking numbers range from 10 to 14 digits and change format by country. See how to tell UK, German, and French DPD codes apart, plus get your Predict time slot.
FedEx Tracking Number Format: All Lengths
Tell apart FedEx 12-digit Express, 15-digit Ground, 20-digit SmartPost, and 22-digit Freight tracking numbers. Includes real examples and a check digit calculator.
Royal Mail Tracking Number Format: Validator & Service Codes
Learn to decode any Royal Mail tracking number. Details on international S10 formats, 2D barcode numbers, and domestic 13-digit codes.
SF Express Tracking Number Format: 12 & 15 Digit Decoder
Learn to decode SF Express tracking numbers. Understand the difference between 12-digit standard and 15-digit international formats. Validate your SF International shipment.
UPS Tracking Number Format: 1Z Codes Decoded
Break down any UPS 1Z tracking number digit by digit. See which service code means Ground vs. Next Day Air, verify the check digit, and spot invalid numbers before contacting support.
UPS Tracking Number Validator: Check 1Z Checksum & Format
Instantly validate any UPS tracking number. Check 1Z checksums, verify 9-digit or 18-digit formats, and find the shipping service used.
USPS Tracking Number Format: Every Prefix
Identify any USPS tracking number by its prefix. Covers 9400, 9205, 9261, and all 20- to 34-digit formats with real examples so you know which mail class is carrying your package.
Yanwen Tracking Number Format: Full Guide
Yanwen gives you one number in China and another after export. See which format to use at each stage, why updates stop mid-route, and how to find the local carrier number.