Postal code area 343004 Koshigaya
Within Postal code area 343004 Koshigaya, there are currently 7 five-digit postal codes, 1 places and municipalities, 1 Prefectures and 0 Municipalities. The most populous recorded place within this area is Koshigaya. The page combines the key figures from the main table with the map, place lists, and the complete administrative assignment.
Map of ZIP 343004
The map shows the assigned postal code area 343004 in Japan.
ZIP Areas in Radius
The linked neighboring areas facilitate the switch to adjacent postal code areas and neighboring cities or municipalities.
