Sempach, Switzerland Zip Code is 6204. Sempach is the state of Switzerland. Here you can get the complete zip code of postal code, pin code detail Sempach, Switzerland. Allpincode provied informative information to correctly send your mail, parcel or courier delivered to this particular address of Sempach, Switzerland by using ZIP Code 6204.You just need to mention correct Zip code of Sempach 6204 to delver your mail to the addrress Sempach, Switzerland. You can browse through our website to obtain the Sempach, ZIP code, postal code of any place or to locate the address of a specific ZIP code.