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zipcodes.pro — ZIP/79121

79121

ZIP 79121 is in Amarillo, Texas, mostly in Randall County; area code 806; Central time. Amarillo has 27 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Randall +1 more
Metro area
Amarillo, TX
Population
6,437
Coordinates
35.1745, -101.9292
☼ Live from 79121 — Amarillo, TX

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Where 79121 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 79121
  • 🔢 Type 79121 into a pocket calculator and turn it upside down: IZIGL — not quite a word, sorry.
  • ➕ As a number, 79,121 = 7 × 89 × 127. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011010100010001
  • 🏠 Its numerical neighbours: 79120 (Amarillo, TX, 7 mi away) and 79124 (Amarillo, TX, 9 mi away).
  • 🔄 Backwards, 79121 becomes 12197 — and that is a real ZIP code: Worcester, NY, 1,543 miles away.
  • 👥 30 other ZIP codes are made of exactly the same digits (11729, 11792, 11972, 12197, 12719, 12791, …). The farthest-flung twin is 11972 in Speonk, NY, 1,630 miles away.
  • 🧭 Farther south than 73% of all ZIP codes, and farther west than 81%.
  • 🎯370 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 79121 and you would come out at 35.17°S, 78.07°E — 1,057 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 32m of daylight. Shortest: 9h 47m.
  • 📏 At 1.8 square miles of land, 79121 is bigger than 11% of ZIP codes — room for about 1.3 Central Parks.
🌙 The sky over 79121 today
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🌋 Shake report
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Source: USGS.

People and housing

Population6,437This ZIP6,437
Households2,688This ZIP2,688
Housing units2,918This ZIP2,918
Median age43.9This ZIP43.9Texas35.6US 38.9
Median household income$74,659This ZIP$74,659Texas$78,476US $80,734
Median home value$288,300This ZIP$288,300Texas$283,800US $332,700
Median gross rent$1,167This ZIP$1,167Texas$1,403US $1,413
Bachelor's degree or higher53.9%This ZIP53.9%
Mean commute19.8 minThis ZIP19.8 min
Population density3,672.0 / sq miThis ZIP3,672.0 / sq mi

Business and tax activity

Business establishments242This ZIP242
Employees2,691This ZIP2,691
Annual payroll$90,650,000This ZIP$90,650,000
Tax returns filed2,980This ZIP2,980
Total adjusted gross income$343,364,000This ZIP$343,364,000

Land area

Land area1.75 sq miThis ZIP1.75 sq mi
Water area0.00 sq mi

Counties 79121 spans

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

CountyShare of this ZIP
Randall County 83.9%
Potter County 16.1%

Other place names in 79121

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

ZIP codes near 79121

ZIPCityDistance
79109 Amarillo, TX 2.5 mi
79106 Amarillo, TX 2.9 mi
79110 Amarillo, TX 3.7 mi
79102 Amarillo, TX 4.9 mi
79101 Amarillo, TX 5.5 mi
79116 Amarillo, TX 6.3 mi
79159 Amarillo, TX 6.4 mi
79119 Amarillo, TX 6.7 mi
79120 Amarillo, TX 7.3 mi
79103 Amarillo, TX 7.3 mi

Find every ZIP code within 10 miles of 79121 →

Questions about this ZIP code

Where is ZIP code 79121?

79121 is in Amarillo, Texas, in Randall County, part of the Amarillo, TX metropolitan area. Its published point location is 35.1745, -101.9292.

What county is 79121 in?

79121 spans 2 counties: Randall County and Potter County. Most of it falls in Randall 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 79121?

Amarillo uses area code 806, from NANPA's telephone records.

What time zone is 79121 in?

79121 uses America/Chicago.

How many people live in 79121?

About 6,437 people live in ZIP code 79121, in 2,688 households, at 3,672.0 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 79121?

$74,659 a year, against $78,476 across Texas.

What ZIP codes are near 79121?

The closest are 79109 (2.5 mi), 79106 (2.9 mi), 79110 (3.7 mi), 79102 (4.9 mi) and 79101 (5.5 mi).

Is 79121 a PO Box ZIP code?

79121 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “79121 ZIP Code — Amarillo, Texas (Randall County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/79121

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