2019/10/31 - Go around before appointment
I visited before work at Saitama-shintoshin.
There is a big shopping mall that is called COCOON CITY near the Omiya Kitabukuro post office.
Visited post offices
In sequence, there are photos of post offices where I visited. Click a photo to enlarge.
Refer to the following map for a footprint (Movement near the Saitam-shintoshin station) by GPS on the day.