54840, United States Zip Code is 54840. 54840 is the state of United States. Here you can get the complete zip code of postal code, pin code detail 54840, United States. Allpincode provied informative information to correctly send your mail, parcel or courier delivered to this particular address of 54840, United States by using ZIP Code 54840.You just need to mention correct Zip code of 54840 54840 to delver your mail to the addrress 54840, United States. You can browse through our website to obtain the 54840, ZIP code, postal code of any place or to locate the address of a specific ZIP code.