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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/23704

23704

ZIP 23704 is in Portsmouth, Virginia, in Portsmouth City; area codes 757 and 948; Eastern time. Portsmouth has 8 ZIP codes in all.

Type
Standard
Time zone
America/New_York
Population
19,207
Coordinates
36.8267, -76.3120
☼ Live from 23704 — Portsmouth, VA

Weather right now

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NEXRAD radar
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Local time: —

Where 23704 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 23704
  • 🔢 Type 23704 into a pocket calculator and turn it upside down: hOLEZ — not quite a word, sorry.
  • ➕ As a number, 23,704 = 2 × 2 × 2 × 2963. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101110010011000
  • 🏠 Its numerical neighbours: 23703 (Portsmouth, VA, 6 mi away) and 23705 (Portsmouth, VA, 4 mi away).
  • 🔄 Backwards, 23704 becomes 40732, which is not a ZIP code at all.
  • 👥 57 other ZIP codes are made of exactly the same digits (02347, 02743, 03247, 04237, 04732, 07423, …). The farthest-flung twin is 73024 in Corn, OK, 1,257 miles away.
  • 🧭 Farther south than 65% of all ZIP codes, and farther east than 84%.
  • 🎯1,221 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 23704 and you would come out at 36.83°S, 103.69°E — 771 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 41m of daylight. Shortest: 9h 38m.
  • 📏 At 4.5 square miles of land, 23704 is bigger than 18% of ZIP codes — room for about 3.4 Central Parks.
🌙 The sky over 23704 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population19,207This ZIP19,207
Households8,658This ZIP8,658
Housing units9,658This ZIP9,658
Median age35.9This ZIP35.9Virginia39.0US 38.9
Median household income$49,583This ZIP$49,583Virginia$93,170US $80,734
Median home value$230,300This ZIP$230,300Virginia$383,700US $332,700
Median gross rent$1,310This ZIP$1,310Virginia$1,579US $1,413
Bachelor's degree or higher24.9%This ZIP24.9%
Mean commute23.8 minThis ZIP23.8 min
Population density4,249.3 / sq miThis ZIP4,249.3 / sq mi

Business and tax activity

Business establishments404This ZIP404
Employees5,305This ZIP5,305
Annual payroll$282,492,000This ZIP$282,492,000
Tax returns filed7,920This ZIP7,920
Total adjusted gross income$354,446,000This ZIP$354,446,000

Land area

Land area4.52 sq miThis ZIP4.52 sq mi
Water area0.50 sq miThis ZIP0.50 sq mi

Other place names in 23704

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

ZIP codes near 23704

ZIPCityDistance
23709 Portsmouth, VA 1.0 mi
23708 Portsmouth, VA 1.5 mi
23702 Portsmouth, VA 1.8 mi
23707 Portsmouth, VA 1.9 mi
23514 Norfolk, VA 2.0 mi
23510 Norfolk, VA 2.1 mi
23523 Norfolk, VA 2.2 mi
23507 Norfolk, VA 2.7 mi
23324 Chesapeake, VA 2.8 mi
23517 Norfolk, VA 3.1 mi

Find every ZIP code within 10 miles of 23704 →

Questions about this ZIP code

Where is ZIP code 23704?

23704 is in Portsmouth, Virginia, in Portsmouth city, part of the Virginia Beach-Chesapeake-Norfolk, VA-NC metropolitan area. Its published point location is 36.8267, -76.3120.

What county is 23704 in?

23704 lies in Portsmouth city.

What area code is 23704?

Portsmouth uses area codes 757 and 948, from NANPA's telephone records.

What time zone is 23704 in?

23704 uses America/New_York.

How many people live in 23704?

About 19,207 people live in ZIP code 23704, in 8,658 households, at 4,249.3 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 23704?

$49,583 a year, against $93,170 across Virginia.

What ZIP codes are near 23704?

The closest are 23709 (1 mi), 23708 (1.5 mi), 23702 (1.8 mi), 23707 (1.9 mi) and 23514 (2 mi).

Is 23704 a PO Box ZIP code?

23704 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “23704 ZIP Code — Portsmouth, Virginia (Portsmouth City).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/23704

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