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/76673

76673

ZIP 76673 is Mount Calm, Texas, mostly in Hill County; area code 254; Central time.

Type
Standard
Time zone
America/Chicago
County
Hill +2 more
Metro area
none
Population
1,196
Coordinates
31.7510, -96.8918
☼ Live from 76673 — Mount Calm, TX

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 76673 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 76673
  • 🔢 Type 76673 into a pocket calculator and turn it upside down: ELggL — not quite a word, sorry.
  • ➕ 76673 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010101110000001
  • 🏠 Its numerical neighbours: 76671 (Morgan, TX, 41 mi away) and 76676 (Penelope, TX, 10 mi away).
  • 🔄 Backwards, 76673 becomes 37667, which is not a ZIP code at all.
  • 👥 14 other ZIP codes are made of exactly the same digits (36767, 36776, 37766, 63767, 63776, 66773, …). The farthest-flung twin is 37766 in La Follette, TN, 800 miles away.
  • 🧭 Farther south than 89% of all ZIP codes, and farther west than 74%.
  • 🎯566 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 76673 and you would come out at 31.75°S, 83.11°E — 1,387 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 13m of daylight. Shortest: 10h 04m.
  • 📏 At 89.4 square miles of land, 76673 is bigger than 75% of ZIP codes — room for about 68 Central Parks.
🌙 The sky over 76673 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,196This ZIP1,196
Households391This ZIP391
Housing units501This ZIP501
Median age39.0This ZIP39.0Texas35.6US 38.9
Median household income$63,750This ZIP$63,750Texas$78,476US $80,734
Median home value$115,300This ZIP$115,300Texas$283,800US $332,700
Median gross rent$1,188This ZIP$1,188Texas$1,403US $1,413
Bachelor's degree or higher13.1%This ZIP13.1%
Mean commute30.7 minThis ZIP30.7 min
Population density13.4 / sq miThis ZIP13.4 / sq mi

Business and tax activity

Business establishments11This ZIP11
Employees77This ZIP77
Annual payroll$7,227,000This ZIP$7,227,000
Tax returns filed520This ZIP520
Total adjusted gross income$37,501,000This ZIP$37,501,000

Land area

Land area89.43 sq miThis ZIP89.43 sq mi
Water area0.94 sq miThis ZIP0.94 sq mi

Counties 76673 spans

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

CountyShare of this ZIP
Hill County 61.4%
Limestone County 37.7%
McLennan County 0.9%

Other place names in 76673

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

ZIP codes near 76673

ZIPCityDistance
76624 Axtell, TX 7.2 mi
76654 Leroy, TX 7.3 mi
76648 Hubbard, TX 8.4 mi
76676 Penelope, TX 9.5 mi
76678 Prairie Hill, TX 10.9 mi
76640 Elm Mott, TX 11.3 mi
76691 West, TX 12.2 mi
76660 Malone, TX 12.8 mi
76684 Ross, TX 13.5 mi
76635 Coolidge, TX 13.7 mi

Find every ZIP code within 10 miles of 76673 →

Questions about this ZIP code

Where is ZIP code 76673?

76673 is in Mount Calm, Texas, in Hill County. Its published point location is 31.7510, -96.8918.

What county is 76673 in?

76673 spans 3 counties: Hill County, Limestone County and McLennan County. Most of it falls in Hill 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 76673?

Mount Calm uses area code 254, from NANPA's telephone records.

What time zone is 76673 in?

76673 uses America/Chicago.

How many people live in 76673?

About 1,196 people live in ZIP code 76673, in 391 households, at 13.4 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 76673?

$63,750 a year, against $78,476 across Texas.

What ZIP codes are near 76673?

The closest are 76624 (7.2 mi), 76654 (7.3 mi), 76648 (8.4 mi), 76676 (9.5 mi) and 76678 (10.9 mi).

Is 76673 a PO Box ZIP code?

76673 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “76673 ZIP Code — Mount Calm, Texas (Hill County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/76673

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/76673.json

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