ZIP Code 80734 – Holyoke, CO
Holyoke, Colorado · Phillips County · Mountain time
| ZIP code | 80734 |
|---|---|
| City | Holyoke |
| State | Colorado |
| County | Phillips CountyYuma County |
| Population | 2,999 |
| Time zone | Mountain · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 481.91 sq mi |
| Center (lat, long) | 40.5199, -102.2920 |
Area codes in this area
These are the area codes that most often serve ZIP 80734 (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
About ZIP 80734
ZIP code 80734 is assigned to Holyoke, Colorado. It crosses 2 counties; most of its land is in Phillips County. Its Census area covers about 481.91 square miles of land. The closest neighboring ZIP is 80746 (Paoli), about 10.5 miles away.
Every address in 80734 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