ZIP Code
ZIP Code 81647
New Castle, Garfield County, Colorado CO
Population
6,882
Density
9.3/sq mi
Timezone
America/Denver
Safety Score
50
50
Average
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Overview
ZIP code 81647 is located in New Castle, Garfield County, Colorado. The area has a population of approximately 6,882 residents with a population density of 9.3 per square mile. It is in the America/Denver timezone.