81647 New Castle
How to address mail to New Castle
Recipient nameHouse number and street
NEW CASTLE, CO 81647
UNITED STATES
Statistics for ZIP Code 81647 in New Castle
- Population: 4,669 people
- Elevation: 1706 m
- Time zone: America/Denver
- Nearest ZIP Code: 81652 Silt (12.98 km)
- Geographical Coordinates: Latitude 39.5709, Longitude -107.543
New Castle is served by 15 zip codes in total. The 816xx range covers 38 zip codes across 33 localities. It sits in the north-west of Colorado.