The best replacement for pin code is zip code.

The best alternatives to pin code are rated as following:
★★★★★  zip code
★★  puk code
★  postal code

Your alternative for pin code is not listed? Suggest!
Speaking about pin code, one probably shouldn't forget about district.

Other search terms related to pin code and their ratings are:
★★★★★ district
You have in mind a companion for pin code and it is not yet here? Propose!



Google Trends

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