What are the Rock Lake, North Dakota Zip Codes for 2020, 2019Primary Zip Codes for Rock LakeZip CodePrimary CitySecondary City58365RocklakeRock Lake, Armourdale, Crocus,Cities sharing Zip Codes with Rock LakeZip CodePrimary CitySecondary CityMore Information58365RocklakeArmourdale58365RocklakeCrocus58365RocklakeRock LakeAdvertisements