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Mattawa

1. Mattawa, Washington, United States [Populated Place] is in Grant County; location is 46°44'17"N 119°54'6"W; elevation is 778 feet [SourceGSP]
2. Mattawa, Washington, United States [Town]; population was 941 in 1990; housing units was 266 in 1990; location is 46°44'N 119°54'W; land area is 0.42 square miles (268 acres); FIPS code is 44165 [SourceCBP]
3. Othello, Washington, United States Postal Service Zip Code is 99344 (Mattawa) [SourcePSZ]