Po Box, United States Zip Code is 67340. Po Box is the state of United States. Here you can get the complete zip code of postal code, pin code detail Po Box, United States. Allpincode provied informative information to correctly send your mail, parcel or courier delivered to this particular address of Po Box, United States by using ZIP Code 67340.You just need to mention correct Zip code of Po Box 67340 to delver your mail to the addrress Po Box, United States. You can browse through our website to obtain the Po Box, ZIP code, postal code of any place or to locate the address of a specific ZIP code.