The best replacement for postage is shipping.

The best alternatives to postage are rated as following:
★★★★★  shipping
★★★★  first class
★★  us postage
★★  smartstamp
★  postal
★  freight
★  postage meters
  stamps
  third class postage

Your alternative for postage is not listed? Suggest!
Speaking about postage, one probably shouldn't forget about royal mail.

Other search terms related to postage and their ratings are:
★★★★★ royal mail
★★★★ label
You have in mind a companion for postage and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of postage in all years. Click on graph for more.
postage
shipping
first class