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Sulphur Rock

1. Sulphur Rock, Arkansas, United States [Populated Place] is in Independence County; location is 35°45'4"N 91°30'2"W [SourceGSP]
2. Sulphur Rock, Arkansas, United States [Town]; population was 356 in 1990; housing units was 144 in 1990; location is 35°45'N 91°30'W; land area is 1.28 square miles (820 acres); FIPS code is 67730 [SourceCBP]
3. Sulphur Rock, Arkansas, United States Postal Service Zip Code is 72579 [SourcePSZ]