Shipping Sidekick offers completely free mail package tracking to give you up to the minute package tracking info directly from the shippers. We offer parcel post tracking, USPS tracking as well as tracking from all major private package shippers. Just enter your package tracking number or parcel tracking number and you'll get up to the minute parcel tracking info directly from the shipper. You do need a tracking number to use our package tracking system; if you don't have one please contact the package sender or shipper directly to get one. If you are looking for USPS tracking you've come to the right place! We can track your package fast. Just enter your USPS tracking number into our package tracking software and we'll provide instant USPS package tracking. Shipping Sidekick, you shipping and tracking headquarters on the web!