what is the zip code of this address suginami ku,koenji kita?

Answer 1

You have not given enough information.
What city are you looking for?
Suginami-ku is the ward inside a city;
Koenji-kita is the neighborhood.

If you want that address in Tokyo,
the zip code is 166-0002.
If you're looking for a different city, tell me which one.