The best replacement for postcode is zip code.

The best alternatives to postcode are rated as following:
★★★★★  zip code
★★★★★  postcode
★★★★  postal code
★★  suburb
★  full address
  adres
  zip

Your alternative for postcode is not listed? Suggest!
Speaking about postcode, one probably shouldn't forget about address.

Other search terms related to postcode and their ratings are:
★★★★★ address
★★★★ an address
★★★ royal mail
★★ street name
telephone number
You have in mind a companion for postcode and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of postcode in all years. Click on graph for more.
postcode
zip code
postcode