Find the last 4 digits (ZIP+4) for an address in 80455

ZIP 80455, Jamestown, CO is filled in. Just type the street address.

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ZIP Code 80455 – Jamestown, CO

Jamestown, Colorado · Boulder County · Mountain time

ZIP code80455
CityJamestown
StateColorado
CountyBoulder County
Population501
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area32.31 sq mi
Center (lat, long)40.0950, -105.3977

Area codes in this area

303720983

These are the area codes that most often serve ZIP 80455 (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

80306 Boulder · 0.8 mi80307 Boulder · 1.4 mi80314 Boulder · 1.4 mi80308 Boulder · 4.7 mi80302 Boulder · 5.5 mi80304 Boulder · 6.7 mi80309 Boulder · 8.7 mi80540 Lyons · 8.9 mi

About ZIP 80455

ZIP code 80455 is assigned to Jamestown, Colorado. It lies in Boulder County. Its Census area covers about 32.31 square miles of land. The closest neighboring ZIP is 80306 (Boulder), about 0.8 miles away.

Every address in 80455 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