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/73437

73437

ZIP 73437 is Graham, Oklahoma, in Carter County; area code 580; Central time.

Type
Standard
Time zone
America/Chicago
County
Carter
Metro area
Ardmore, OK
Population
108
Coordinates
34.3679, -97.4124
☼ Live from 73437 — Graham, OK

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 73437 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 73437
  • 🔢 Type 73437 into a pocket calculator and turn it upside down: LEhEL — not quite a word, sorry.
  • ⇆73437 reads the same backwards. It is one of only 412 palindromic ZIP codes.
  • ➕ As a number, 73,437 = 3 × 7 × 13 × 269. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001111011011101
  • 🏠 Its numerical neighbours: 73436 (Gene Autry, OK, 22 mi away) and 73438 (Healdton, OK, 8 mi away).
  • 👥 19 other ZIP codes are made of exactly the same digits (33477, 33747, 33774, 34737, 34773, 37347, …). The farthest-flung twin is 33477 in Jupiter, FL, 1,150 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther west than 75%.
  • 🎯383 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 73437 and you would come out at 34.37°S, 82.59°E — 1,212 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 51m.
  • 📏 At 12.9 square miles of land, 73437 is bigger than 31% of ZIP codes — room for about 9.8 Central Parks.
🌙 The sky over 73437 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population108This ZIP108
Households40This ZIP40
Housing units47This ZIP47
Median age44.5This ZIP44.5Oklahoma37.0US 38.9
Median household income$35,227This ZIP$35,227Oklahoma$65,039US $80,734
Median home value$295,500This ZIP$295,500Oklahoma$199,800US $332,700
Bachelor's degree or higher13.0%This ZIP13.0%
Population density8.4 / sq miThis ZIP8.4 / sq mi

Land area

Land area12.93 sq miThis ZIP12.93 sq mi
Water area0.11 sq miThis ZIP0.11 sq mi

ZIP codes near 73437

ZIPCityDistance
73435 Fox, OK 4.8 mi
73458 Springer, OK 5.8 mi
73487 Tatums, OK 7.2 mi
73444 Hennepin, OK 7.5 mi
73481 Ratliff City, OK 7.7 mi
73438 Healdton, OK 7.9 mi
73402 Ardmore, OK 10.8 mi
73425 Countyline, OK 11.1 mi
73488 Tussy, OK 11.9 mi
73030 Davis, OK 14.7 mi

Find every ZIP code within 10 miles of 73437 →

Questions about this ZIP code

Where is ZIP code 73437?

73437 is in Graham, Oklahoma, in Carter County, part of the Ardmore, OK micropolitan area. Its published point location is 34.3679, -97.4124.

What county is 73437 in?

73437 lies in Carter County.

What area code is 73437?

Graham uses area code 580, from NANPA's telephone records.

What time zone is 73437 in?

73437 uses America/Chicago.

How many people live in 73437?

About 108 people live in ZIP code 73437, in 40 households, at 8.4 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 73437?

$35,227 a year, against $65,039 across Oklahoma.

What ZIP codes are near 73437?

The closest are 73435 (4.8 mi), 73458 (5.8 mi), 73487 (7.2 mi), 73444 (7.5 mi) and 73481 (7.7 mi).

Is 73437 a PO Box ZIP code?

73437 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “73437 ZIP Code — Graham, Oklahoma (Carter County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73437

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/73437.json

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