Explore ZIP codes in Clayton, Iowa. This city has 15 unique ZIP Codes. Find the ZIP code for any area in Clayton.
Edgewood
Elkader
Elkport
Farmersburg
Garber
Garnavillo
Guttenberg
Luana
Marquette
Mc Gregor
Monona
North Buena Vista
Saint Olaf
Strawberry Point
Volga