[timeout:300][out:json];
(
node(around:1000,50.29562,13.91597)[indoor][~"^(addr:housenumber|.*name.*)$"~".",i];
way(around:1000,50.29562,13.91597)[indoor][~"^(addr:housenumber|.*name.*)$"~".",i];
rel(around:1000,50.29562,13.91597)[indoor][~"^(addr:housenumber|.*name.*)$"~".",i];
node(around:1000,50.29562,13.91597)["amenity"="post_office"][~"^(addr:housenumber|.*name.*)$"~".",i];
way(around:1000,50.29562,13.91597)["amenity"="post_office"][~"^(addr:housenumber|.*name.*)$"~".",i];
rel(around:1000,50.29562,13.91597)["amenity"="post_office"][~"^(addr:housenumber|.*name.*)$"~".",i];
);
out center tags;
found a single match candidate
| post office (Q35054) | amenity=post_office |
| building (Q41176) | building=yes |