Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/80734

80734

ZIP 80734 is Holyoke, Colorado, mostly in Phillips County; area code 970; Mountain time.

Type
Standard
Time zone
America/Denver
County
Phillips +1 more
Metro area
none
Population
2,999
Coordinates
40.5199, -102.2920
☼ Live from 80734 — Holyoke, CO

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 80734 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 80734
  • 🔢 Type 80734 into a pocket calculator and turn it upside down: hELOB — not quite a word, sorry.
  • ➕ As a number, 80,734 = 2 × 37 × 1091. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011101101011110
  • 🏠 Its numerical neighbours: 80733 (Hillrose, CO, 63 mi away) and 80735 (Idalia, CO, 56 mi away).
  • 🔄 Backwards, 80734 becomes 43708, which is not a ZIP code at all.
  • 👥 53 other ZIP codes are made of exactly the same digits (03748, 03784, 03847, 03874, 04738, 04783, …). The farthest-flung twin is 04738 in Crouseville, ME, 1,748 miles away.
  • 🧭 Farther north than 61% of all ZIP codes, and farther west than 81%.
  • 🎯202 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80734 and you would come out at 40.52°S, 77.71°E — 711 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 16m.
  • 📏 At 481.9 square miles of land, 80734 is bigger than 97% of ZIP codes — room for about 366 Central Parks.
🌙 The sky over 80734 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,999This ZIP2,999
Households1,287This ZIP1,287
Housing units1,431This ZIP1,431
Median age40.3This ZIP40.3Colorado37.7US 38.9
Median household income$57,891This ZIP$57,891Colorado$95,470US $80,734
Median home value$277,100This ZIP$277,100Colorado$539,400US $332,700
Median gross rent$1,077This ZIP$1,077Colorado$1,761US $1,413
Bachelor's degree or higher35.1%This ZIP35.1%
Mean commute21.5 minThis ZIP21.5 min
Population density6.2 / sq miThis ZIP6.2 / sq mi

Business and tax activity

Business establishments91This ZIP91
Employees841This ZIP841
Annual payroll$46,111,000This ZIP$46,111,000
Tax returns filed1,450This ZIP1,450
Total adjusted gross income$96,154,000This ZIP$96,154,000

Land area

Land area481.91 sq miThis ZIP481.91 sq mi
Water area0.12 sq miThis ZIP0.12 sq mi

Counties 80734 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Phillips County 77.0%
Yuma County 23.0%

Other place names in 80734

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 80734

ZIPCityDistance
80746 Paoli, CO 10.5 mi
80721 Amherst, CO 13.7 mi
80731 Haxtun, CO 16.7 mi
69023 Champion, NE 20.8 mi
69168 Venango, NE 22.7 mi
80744 Ovid, CO 25.0 mi
80737 Julesburg, CO 26.4 mi
80758 Wray, CO 26.8 mi
80749 Sedgwick, CO 27.5 mi
69030 Haigler, NE 30.5 mi

Find every ZIP code within 10 miles of 80734 →

Questions about this ZIP code

Where is ZIP code 80734?

80734 is in Holyoke, Colorado, in Phillips County. Its published point location is 40.5199, -102.2920.

What county is 80734 in?

80734 spans 2 counties: Phillips County and Yuma County. Most of it falls in Phillips County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 80734?

Holyoke uses area code 970, from NANPA's telephone records.

What time zone is 80734 in?

80734 uses America/Denver.

How many people live in 80734?

About 2,999 people live in ZIP code 80734, in 1,287 households, at 6.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 80734?

$57,891 a year, against $95,470 across Colorado.

What ZIP codes are near 80734?

The closest are 80746 (10.5 mi), 80721 (13.7 mi), 80731 (16.7 mi), 69023 (20.8 mi) and 69168 (22.7 mi).

Is 80734 a PO Box ZIP code?

80734 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “80734 ZIP Code — Holyoke, Colorado (Phillips County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80734

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/80734.json

Underlying data is public domain or openly licensed — sources, vintages and licences.