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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/23321

23321

ZIP 23321 is in Chesapeake, Virginia, mostly in Chesapeake City; area codes 757 and 948; Eastern time. Chesapeake has 9 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Chesapeake city +2 more
Population
40,176
Coordinates
36.8004, -76.4212
☼ Live from 23321 — Chesapeake, VA

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Local time: —

Where 23321 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 23321
  • 🔢 Type 23321 into a pocket calculator and turn it upside down: IZEEZ — not quite a word, sorry.
  • ➕ 23321 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101101100011001
  • 🏠 Its numerical neighbours: 23320 (Chesapeake, VA, 12 mi away) and 23322 (Chesapeake, VA, 15 mi away).
  • 🔄 Backwards, 23321 becomes 12332, which is not a ZIP code at all.
  • 👥 14 other ZIP codes are made of exactly the same digits (12233, 13322, 21233, 22313, 22331, 23123, …). The farthest-flung twin is 33122 in Miami, FL, 794 miles away.
  • 🧭 Farther south than 65% of all ZIP codes, and farther east than 84%.
  • 🎯1,216 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 23321 and you would come out at 36.80°S, 103.58°E — 776 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 41m of daylight. Shortest: 9h 38m.
  • 📏 At 26.7 square miles of land, 23321 is bigger than 43% of ZIP codes — room for about 20 Central Parks.
🌙 The sky over 23321 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population40,176This ZIP40,176
Households14,562This ZIP14,562
Housing units15,012This ZIP15,012
Median age37.1This ZIP37.1Virginia39.0US 38.9
Median household income$101,568This ZIP$101,568Virginia$93,170US $80,734
Median home value$367,900This ZIP$367,900Virginia$383,700US $332,700
Median gross rent$1,586This ZIP$1,586Virginia$1,579US $1,413
Bachelor's degree or higher39.3%This ZIP39.3%
Mean commute26.0 minThis ZIP26.0 min
Population density1,507.1 / sq miThis ZIP1,507.1 / sq mi

Business and tax activity

Business establishments752This ZIP752
Employees10,926This ZIP10,926
Annual payroll$473,748,000This ZIP$473,748,000
Tax returns filed17,950This ZIP17,950
Total adjusted gross income$1,431,947,000This ZIP$1,431,947,000

Land area

Land area26.66 sq miThis ZIP26.66 sq mi
Water area0.80 sq miThis ZIP0.80 sq mi

Counties 23321 spans

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

CountyShare of this ZIP
Chesapeake city 99.8%
Suffolk city 0.1%
Portsmouth city 0.1%

Other place names in 23321

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

ZIP codes near 23321

ZIPCityDistance
23701 Portsmouth, VA 3.0 mi
23435 Suffolk, VA 4.4 mi
23702 Portsmouth, VA 5.2 mi
23707 Portsmouth, VA 5.3 mi
23705 Portsmouth, VA 6.0 mi
23704 Portsmouth, VA 6.3 mi
23709 Portsmouth, VA 6.9 mi
23703 Portsmouth, VA 6.9 mi
23708 Portsmouth, VA 7.3 mi
23323 Chesapeake, VA 7.5 mi

Find every ZIP code within 10 miles of 23321 →

Questions about this ZIP code

Where is ZIP code 23321?

23321 is in Chesapeake, Virginia, in Chesapeake city, part of the Virginia Beach-Chesapeake-Norfolk, VA-NC metropolitan area. Its published point location is 36.8004, -76.4212.

What county is 23321 in?

23321 spans 3 counties: Chesapeake city, Suffolk city and Portsmouth city. Most of it falls in Chesapeake city, 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 23321?

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

What time zone is 23321 in?

23321 uses America/New_York.

How many people live in 23321?

About 40,176 people live in ZIP code 23321, in 14,562 households, at 1,507.1 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 23321?

$101,568 a year, against $93,170 across Virginia.

What ZIP codes are near 23321?

The closest are 23701 (3 mi), 23435 (4.4 mi), 23702 (5.2 mi), 23707 (5.3 mi) and 23705 (6 mi).

Is 23321 a PO Box ZIP code?

23321 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “23321 ZIP Code — Chesapeake, Virginia (Chesapeake City).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/23321

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