21412

ZIP 21412 is in Annapolis, Maryland, in Anne Arundel County; area codes 443, 410 and 667; Eastern time. Annapolis has 8 ZIP codes in all.

Type: No street area
Time zone: America/New_York
County: Anne Arundel
Metro area: Baltimore-Columbia-Towson, MD
Coordinates: 38.9742, -76.5949

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 21401, whose figures describe that area — not this ZIP code.

☼ Live from 21412 — Annapolis, MD

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Where 21412 is

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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 21412

🔢 Type 21412 into a pocket calculator and turn it upside down: ZIhIZ — not quite a word, sorry.
⇆21412 reads the same backwards. It is one of only 412 palindromic ZIP codes.
➕ As a number, 21,412 = 2 × 2 × 53 × 101. Its digits add up to 10, a total 513 other ZIP codes share.
💾In binary, the way a computer stores it: 101001110100100
🏠 Its numerical neighbours: 21411 (Annapolis, MD, 0 mi away) and 21501 (Cumberland, MD, 125 mi away).
👥 16 other ZIP codes are made of exactly the same digits (11224, 11242, 11422, 12124, 12214, 12241, …). The farthest-flung twin is 42211 in Cadiz, KY, 630 miles away.
🧭 Farther south than 51% of all ZIP codes, and farther east than 83%.
🎯1,172 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 21412 and you would come out at 38.97°S, 103.41°E — 851 miles from Perth, Australia, the nearest big city to that spot.
☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.

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Land area

ZIP codes near 21412

ZIP	City	Distance
`21062`	Glen Burnie, MD	0.0 mi
`21123`	Pasadena, MD	0.0 mi
`21411`	Annapolis, MD	0.0 mi
`21140`	Riva, MD	1.7 mi
`21401`	Annapolis, MD	2.5 mi
`21035`	Davidsonville, MD	3.0 mi
`21032`	Crownsville, MD	3.8 mi
`21405`	Annapolis, MD	4.5 mi
`21037`	Edgewater, MD	4.7 mi
`21114`	Crofton, MD	5.4 mi

Find every ZIP code within 10 miles of 21412 →

Questions about this ZIP code

Where is ZIP code 21412?

21412 is in Annapolis, Maryland, in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 38.9742, -76.5949.

What county is 21412 in?

21412 lies in Anne Arundel County.

What area code is 21412?

Annapolis uses area codes 443, 410 and 667, from NANPA's telephone records.

What time zone is 21412 in?

21412 uses America/New_York.

What ZIP codes are near 21412?

The closest are 21062 (0 mi), 21123 (0 mi), 21411 (0 mi), 21140 (1.7 mi) and 21401 (2.5 mi).

Is 21412 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. “21412 ZIP Code — Annapolis, Maryland (Anne Arundel County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21412

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/21412.json

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