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/20003

20003

ZIP 20003 is in Washington, District of Columbia; area codes 202 and 771; Eastern time. Washington has 271 ZIP codes in all.

Type
Standard
Time zone
America/New_York
Population
37,482
Coordinates
38.8818, -76.9909
☼ Live from 20003 — Washington, DC

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 20003 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 20003
  • 🔢 Type 20003 into a pocket calculator and turn it upside down: EOOOZ — not quite a word, sorry.
  • ➕ As a number, 20,003 = 83 × 241. Its digits add up to 5, a total 55 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100111000100011
  • 🏠 Its numerical neighbours: 20002 (Washington, DC, 2 mi away) and 20004 (Washington, DC, 2 mi away).
  • 🔄 Backwards, 20003 becomes 30002 — and that is a real ZIP code: Avondale Estates, GA, 537 miles away.
  • 👥 3 other ZIP codes are made of exactly the same digits (02030, 20030, 30002). The farthest-flung twin is 30002 in Avondale Estates, GA, 537 miles away.
  • 🧭 Farther south than 52% of all ZIP codes, and farther east than 82%.
  • 🎯1,152 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20003 and you would come out at 38.88°S, 103.01°E — 866 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
  • 📏 At 2.3 square miles of land, 20003 is bigger than 12% of ZIP codes — room for about 1.7 Central Parks.
🌙 The sky over 20003 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population37,482This ZIP37,482
Households19,858This ZIP19,858
Housing units22,394This ZIP22,394
Median age34.7This ZIP34.7District of Columbia34.9US 38.9
Median household income$159,846This ZIP$159,846District of Columbia$109,870US $80,734
Median home value$957,700This ZIP$957,700District of Columbia$737,100US $332,700
Median gross rent$2,698This ZIP$2,698District of Columbia$1,954US $1,413
Bachelor's degree or higher82.0%This ZIP82.0%
Mean commute25.9 minThis ZIP25.9 min
Population density16,490.1 / sq miThis ZIP16,490.1 / sq mi

Business and tax activity

Business establishments1,390This ZIP1,390
Employees24,874This ZIP24,874
Annual payroll$2,023,092,000This ZIP$2,023,092,000
Tax returns filed22,300This ZIP22,300
Total adjusted gross income$3,331,346,000This ZIP$3,331,346,000

Land area

Land area2.27 sq miThis ZIP2.27 sq mi
Water area0.22 sq miThis ZIP0.22 sq mi

Other place names in 20003

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

ZIP codes near 20003

ZIPCityDistance
20390 Washington, DC 0.2 mi
20388 Washington Navy Yard, DC 0.7 mi
20541 Washington, DC 0.8 mi
20557 Washington, DC 0.8 mi
20559 Washington, DC 0.8 mi
20540 Washington, DC 0.9 mi
20515 Washington, DC 1.0 mi
20510 Washington, DC 1.1 mi
20204 Washington, DC 1.3 mi
20216 Washington, DC 1.4 mi

Find every ZIP code within 10 miles of 20003 →

Questions about this ZIP code

Where is ZIP code 20003?

20003 is in Washington, District of Columbia, in District of Columbia, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.8818, -76.9909.

What county is 20003 in?

20003 lies in District of Columbia.

What area code is 20003?

Washington uses area codes 202 and 771, from NANPA's telephone records.

What time zone is 20003 in?

20003 uses America/New_York.

How many people live in 20003?

About 37,482 people live in ZIP code 20003, in 19,858 households, at 16,490.1 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 20003?

$159,846 a year, against $109,870 across District of Columbia.

What ZIP codes are near 20003?

The closest are 20390 (0.2 mi), 20388 (0.7 mi), 20541 (0.8 mi), 20557 (0.8 mi) and 20559 (0.8 mi).

Is 20003 a PO Box ZIP code?

20003 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “20003 ZIP Code — Washington, District of Columbia.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20003

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