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/88221

88221

ZIP 88221 is in Carlsbad, New Mexico, in Eddy County; area code 575; Mountain time. Carlsbad has 2 ZIP codes; the other is 88220.

Type
No street area
Time zone
America/Denver
County
Eddy
Coordinates
32.3420, -104.2937

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 88220, whose figures describe that area — not this ZIP code.

☼ Live from 88221 — Carlsbad, NM

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Where 88221 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 88221
  • 🔢 Type 88221 into a pocket calculator and turn it upside down: IZZBB — not quite a word, sorry.
  • ➕ As a number, 88,221 = 3 × 7 × 4201. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10101100010011101
  • 🏠 Its numerical neighbours: 88220 (Carlsbad, NM, 8 mi away) and 88230 (Dexter, NM, 61 mi away).
  • 🔄 Backwards, 88221 becomes 12288 — and that is a real ZIP code: Albany, NY, 1,807 miles away.
  • 👥 10 other ZIP codes are made of exactly the same digits (12288, 12828, 18822, 21288, 28128, 28218, …). The farthest-flung twin is 12828 in Fort Edward, NY, 1,826 miles away.
  • 🧭 Farther south than 87% of all ZIP codes, and farther west than 82%.
  • 🎯607 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 88221 and you would come out at 32.34°S, 75.71°E — 1,209 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 16m of daylight. Shortest: 10h 01m.
🌙 The sky over 88221 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments29This ZIP29
Employees372This ZIP372
Annual payroll$33,016,000This ZIP$33,016,000

Land area

ZIP codes near 88221

ZIPCityDistance
88220 Carlsbad, NM 7.6 mi
88268 Whites City, NM 12.5 mi
88263 Malaga, NM 19.9 mi
88254 Lakewood, NM 20.8 mi
88256 Loving, NM 25.8 mi
88211 Artesia, NM 28.5 mi
88210 Artesia, NM 30.2 mi
88255 Loco Hills, NM 36.7 mi
79770 Orla, TX 40.4 mi
88250 Hope, NM 45.9 mi

Find every ZIP code within 10 miles of 88221 →

Questions about this ZIP code

Where is ZIP code 88221?

88221 is in Carlsbad, New Mexico, in Eddy County, part of the Carlsbad-Artesia, NM micropolitan area. Its published point location is 32.3420, -104.2937.

What county is 88221 in?

88221 lies in Eddy County.

What area code is 88221?

Carlsbad uses area code 575, from NANPA's telephone records.

What time zone is 88221 in?

88221 uses America/Denver.

What ZIP codes are near 88221?

The closest are 88220 (7.6 mi), 88268 (12.5 mi), 88263 (19.9 mi), 88254 (20.8 mi) and 88256 (25.8 mi).

Is 88221 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. “88221 ZIP Code — Carlsbad, New Mexico (Eddy County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/88221

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/88221.json

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