Find the last 4 digits (ZIP+4) for an address in 81647

ZIP 81647, New Castle, CO is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 81647 – New Castle, CO

New Castle, Colorado · Garfield County · Mountain time

ZIP code81647
CityNew Castle
StateColorado
CountyGarfield County
Population6,882
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area284.86 sq mi
Center (lat, long)39.5791, -107.5329

Area codes in this area

970

These are the area codes that most often serve ZIP 81647 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

81601 Glenwood Springs · 10.3 mi81652 Silt · 10.8 mi81602 Glenwood Springs · 11.2 mi81637 Gypsum · 26.5 mi81636 Battlement Mesa · 28.1 mi81635 Parachute · 28.5 mi81623 Carbondale · 30.3 mi81624 Collbran · 31.1 mi

About ZIP 81647

ZIP code 81647 is assigned to New Castle, Colorado. It lies in Garfield County. Its Census area covers about 284.86 square miles of land. The closest neighboring ZIP is 81601 (Glenwood Springs), about 10.3 miles away.

Every address in 81647 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources