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/81073

81073

ZIP 81073 is Springfield, Colorado, in Baca County; area code 719; Mountain time.

Type
Standard
Time zone
America/Denver
County
Baca
Metro area
none
Population
1,865
Coordinates
37.4254, -102.7051
☼ Live from 81073 — Springfield, CO

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 81073 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 81073
  • 🔢 Type 81073 into a pocket calculator and turn it upside down: ELOIB — not quite a word, sorry.
  • ➕ As a number, 81,073 = 17 × 19 × 251. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011110010110001
  • 🏠 Its numerical neighbours: 81071 (Sheridan Lake, CO, 74 mi away) and 81076 (Sugar City, CO, 80 mi away).
  • 🔄 Backwards, 81073 becomes 37018 — and that is a real ZIP code: Beechgrove, TN, 923 miles away.
  • 👥 52 other ZIP codes are made of exactly the same digits (01378, 03781, 03817, 03871, 07831, 08317, …). The farthest-flung twin is 03871 in Rye Beach, NH, 1,717 miles away.
  • 🧭 Farther south than 62% of all ZIP codes, and farther west than 81%.
  • 🎯278 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 81073 and you would come out at 37.43°S, 77.29°E — 896 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 45m of daylight. Shortest: 9h 35m.
  • 📏 At 639.3 square miles of land, 81073 is bigger than 98% of ZIP codes — room for about 485 Central Parks.
🌙 The sky over 81073 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,865This ZIP1,865
Households828This ZIP828
Housing units957This ZIP957
Median age39.5This ZIP39.5Colorado37.7US 38.9
Median household income$47,167This ZIP$47,167Colorado$95,470US $80,734
Median home value$131,900This ZIP$131,900Colorado$539,400US $332,700
Median gross rent$626This ZIP$626Colorado$1,761US $1,413
Bachelor's degree or higher24.0%This ZIP24.0%
Mean commute8.9 minThis ZIP8.9 min
Population density2.9 / sq miThis ZIP2.9 / sq mi

Business and tax activity

Business establishments59This ZIP59
Employees449This ZIP449
Annual payroll$17,354,000This ZIP$17,354,000
Tax returns filed790This ZIP790
Total adjusted gross income$48,432,000This ZIP$48,432,000

Land area

Land area639.34 sq miThis ZIP639.34 sq mi
Water area0.44 sq miThis ZIP0.44 sq mi

Other place names in 81073

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

ZIP codes near 81073

ZIPCityDistance
81087 Vilas, CO 16.2 mi
81084 Two Buttes, CO 18.0 mi
81064 Pritchett, CO 21.3 mi
81029 Campo, CO 26.0 mi
81090 Walsh, CO 26.4 mi
81044 Hasty, CO 32.8 mi
81041 Granada, CO 34.0 mi
73946 Kenton, OK 34.3 mi
81052 Lamar, CO 38.1 mi
81049 Kim, CO 38.5 mi

Find every ZIP code within 10 miles of 81073 →

Questions about this ZIP code

Where is ZIP code 81073?

81073 is in Springfield, Colorado, in Baca County. Its published point location is 37.4254, -102.7051.

What county is 81073 in?

81073 lies in Baca County.

What area code is 81073?

Springfield uses area code 719, from NANPA's telephone records.

What time zone is 81073 in?

81073 uses America/Denver.

How many people live in 81073?

About 1,865 people live in ZIP code 81073, in 828 households, at 2.9 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 81073?

$47,167 a year, against $95,470 across Colorado.

What ZIP codes are near 81073?

The closest are 81087 (16.2 mi), 81084 (18 mi), 81064 (21.3 mi), 81029 (26 mi) and 81090 (26.4 mi).

Is 81073 a PO Box ZIP code?

81073 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “81073 ZIP Code — Springfield, Colorado (Baca County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81073

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/81073.json

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