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/23501

23501

ZIP 23501 is in Norfolk, Virginia, in Norfolk City; area codes 757 and 948; Eastern time. Norfolk has 21 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
Norfolk city
Coordinates
36.8959, -76.2085

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 23502, whose figures describe that area — not this ZIP code.

☼ Live from 23501 — Norfolk, VA

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Where 23501 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 23501
  • 🔢 Type 23501 into a pocket calculator and turn it upside down: IOSEZ — not quite a word, sorry.
  • ➕ As a number, 23,501 = 71 × 331. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101101111001101
  • 🏠 Its numerical neighbours: 23488 (Withams, VA, 80 mi away) and 23502 (Norfolk, VA, 2 mi away).
  • 🔄 Backwards, 23501 becomes 10532 — and that is a real ZIP code: Hawthorne, NY, 318 miles away.
  • 👥 73 other ZIP codes are made of exactly the same digits (01235, 01253, 01523, 01532, 02135, 02153, …). The farthest-flung twin is 51023 in Hawarden, IA, 1,149 miles away.
  • 🧭 Farther south than 65% of all ZIP codes, and farther east than 84%.
  • 🎯1,225 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 23501 and you would come out at 36.90°S, 103.79°E — 767 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 42m of daylight. Shortest: 9h 38m.
🌙 The sky over 23501 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments16This ZIP16
Employees160This ZIP160
Annual payroll$10,607,000This ZIP$10,607,000

Land area

ZIP codes near 23501

ZIPCityDistance
23518 Norfolk, VA 1.4 mi
23513 Norfolk, VA 1.7 mi
23502 Norfolk, VA 2.4 mi
23459 Virginia Beach, VA 2.5 mi
23506 Norfolk, VA 3.0 mi
23515 Norfolk, VA 3.0 mi
23519 Norfolk, VA 3.0 mi
23529 Norfolk, VA 3.0 mi
23541 Norfolk, VA 3.0 mi
23509 Norfolk, VA 3.2 mi

Find every ZIP code within 10 miles of 23501 →

Questions about this ZIP code

Where is ZIP code 23501?

23501 is in Norfolk, Virginia, in Norfolk city, part of the Virginia Beach-Chesapeake-Norfolk, VA-NC metropolitan area. Its published point location is 36.8959, -76.2085.

What county is 23501 in?

23501 lies in Norfolk city.

What area code is 23501?

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

What time zone is 23501 in?

23501 uses America/New_York.

What ZIP codes are near 23501?

The closest are 23518 (1.4 mi), 23513 (1.7 mi), 23502 (2.4 mi), 23459 (2.5 mi) and 23506 (3 mi).

Is 23501 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “23501 ZIP Code — Norfolk, Virginia (Norfolk City).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/23501

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