Modern forwarding technology sets unique postal ID number on registered postal items (registered or insured). During the transportation postal ID number is entered in single control system that allows to trace it by Internet.
Tracing of RPI (including international) on postal ID number (or on one of 14-figured international or within Russia).
Postal ID number is in the receipt of posting. Number: 115127(80)15138 5. You should put: Postal ID number: 11512780151385 (number without brackets and blanks).
Tracing of RPI on number of receipt of posting.
Postal ID number is in the receipt of posting. Number: 115127(80)15138 5. You should put: Series: 115127-80 Number: 15138.
Series: - Number:
Ordinary postal items don’t have ID number.