55010

ZIP 55010 is Castle Rock, Minnesota, in Dakota County; area code 507; Central time.

Type: No street area
Time zone: America/Chicago
County: Dakota
Metro area: Minneapolis-St. Paul-Bloomington, MN-WI
Coordinates: 44.5472, -93.1531

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 55057, whose figures describe that area — not this ZIP code.

☼ Live from 55010 — Castle Rock, MN

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Where 55010 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 55010

🔢 Type 55010 into a pocket calculator and turn it upside down: OIOSS — not quite a word, sorry.
➕ As a number, 55,010 = 2 × 5 × 5501. Its digits add up to 11, a total 714 other ZIP codes share.
💾In binary, the way a computer stores it: 1101011011100010
🏠 Its numerical neighbours: 55009 (Cannon Falls, MN, 15 mi away) and 55011 (Cedar, MN, 55 mi away).
🔄 Backwards, 55010 becomes 01055, which is not a ZIP code at all.
👥 18 other ZIP codes are made of exactly the same digits (01505, 01550, 05051, 05150, 05501, 10055, …). The farthest-flung twin is 05501 in Andover, MA, 1,104 miles away.
🧭 Farther north than 89% of all ZIP codes, and farther west than 64%.
🎯428 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 55010 and you would come out at 44.55°S, 86.85°E — 849 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
☀Longest day of the year: 15h 33m of daylight. Shortest: 8h 49m.

🌙 The sky over 55010 today

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Source: USGS.

Business and tax activity

Business establishments	5This ZIP5
Employees	66This ZIP66
Annual payroll	$4,807,000This ZIP$4,807,000

Land area

ZIP codes near 55010

ZIP	City	Distance
`55057`	Northfield, MN	5.3 mi
`55024`	Farmington, MN	5.7 mi
`55065`	Randolph, MN	6.3 mi
`55044`	Lakeville, MN	8.9 mi
`55054`	Elko New Market, MN	9.9 mi
`55031`	Hampton, MN	10.4 mi
`55019`	Dundas, MN	10.6 mi
`55020`	Elko New Market, MN	11.1 mi
`55088`	Webster, MN	11.5 mi
`55018`	Dennison, MN	12.4 mi

Find every ZIP code within 10 miles of 55010 →

Questions about this ZIP code

Where is ZIP code 55010?

55010 is in Castle Rock, Minnesota, in Dakota County, part of the Minneapolis-St. Paul-Bloomington, MN-WI metropolitan area. Its published point location is 44.5472, -93.1531.

What county is 55010 in?

55010 lies in Dakota County.

What area code is 55010?

Castle Rock uses area code 507, from NANPA's telephone records.

What time zone is 55010 in?

55010 uses America/Chicago.

What ZIP codes are near 55010?

The closest are 55057 (5.3 mi), 55024 (5.7 mi), 55065 (6.3 mi), 55044 (8.9 mi) and 55054 (9.9 mi).

Is 55010 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. “55010 ZIP Code — Castle Rock, Minnesota (Dakota County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55010

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/55010.json

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