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Copan

1. Copan, Oklahoma, United States [Populated Place] is in Washington County; location is 36°53'51"N 95°55'33"W [SourceGSP]
2. Copan, Oklahoma, United States [Town]; population was 809 in 1990; housing units was 373 in 1990; location is 36°54'N 95°55'W; land area is 0.99 square miles (634 acres); FIPS code is 17100 [SourceCBP]
3. Copan, Oklahoma, United States Postal Service Zip Code is 74022 [SourcePSZ]