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Rocklake

1. Rocklake, North Dakota, United States [City]; population was 221 in 1990; housing units was 129 in 1990; location is 48°47'N 99°15'W; land area is 0.22 square miles (138 acres); FIPS code is 67500 [SourceCBP]
2. Rocklake, North Dakota, United States Postal Service Zip Code is 58339 (Hansboro), 58365 [SourcePSZ]