Gregory's Server
In our ActivityPub Atlas with 1.9 mio. Places it covers 52 entities as direct children :)
50 of them are in wikidata too:
https://query.wikidata.org/#%23title%3A%20Postcode%200872%20in%20Australia%0ASELECT%20%3Fitem%20%3Fcode%20%3FitemLabel%20%0AWHERE%20%0A%7B%0A%20%20%3Fitem%20wdt%3AP281%20%3Fcode.%20%0A%20%20%3Fitem%20wdt%3AP17%20wd%3AQ408.%0A%20%20Filter%20%28regex%20%28%3Fcode%2C%220872%22%29%29.%0A%20%20SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22%5BAUTO_LANGUAGE%5D%2Cen%22.%20%7D%20%23%20%3Cspan%20lang%3D%22en%22%20dir%3D%22ltr%22%20class%3D%22mw-content-ltr%22%3EHelps%20get%20the%20label%20in%20your%20language%2C%20if%20not%2C%20then%20en%20language%3C%2Fspan%3E%0A%7D (might take a while after you press the :digitalcourage: button)