20847

ZIP 20847 is in Rockville, Maryland, in Montgomery County; area codes 240, 301 and 227; Eastern time. Rockville has 8 ZIP codes in all.

Type: No street area
Time zone: America/New_York
County: Montgomery
Metro area: Washington-Arlington-Alexandria, DC-VA-MD-WV
Coordinates: 39.0840, -77.1528

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 20850, whose figures describe that area — not this ZIP code.

☼ Live from 20847 — Rockville, MD

Weather right now

Asking the National Weather Service…

NEXRAD radar

Finding the nearest radar…

Local time: —

Where 20847 is

Loading map… Open 20847 on OpenStreetMap

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 20847

🔢 Type 20847 into a pocket calculator and turn it upside down: LhBOZ — not quite a word, sorry.
➕ As a number, 20,847 = 3 × 6949. Its digits add up to 21, a total 2,594 other ZIP codes share.
💾In binary, the way a computer stores it: 101000101101111
🏠 Its numerical neighbours: 20842 (Dickerson, MD, 16 mi away) and 20848 (Rockville, MD, 5 mi away).
🔄 Backwards, 20847 becomes 74802 — and that is a real ZIP code: Shawnee, OK, 1,116 miles away.
👥 57 other ZIP codes are made of exactly the same digits (02478, 02748, 02874, 04287, 07428, 07842, …). The farthest-flung twin is 84720 in Cedar City, UT, 1,948 miles away.
🧭 Farther south than 50% of all ZIP codes, and farther east than 81%.
🎯1,141 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 20847 and you would come out at 39.08°S, 102.85°E — 881 miles from Perth, Australia, the nearest big city to that spot.
☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.

🌙 The sky over 20847 today

Working out the sun…

🌋 Shake report

Checking the USGS…

Source: USGS.

Land area

ZIP codes near 20847

ZIP	City	Distance
`20849`	Rockville, MD	0.0 mi
`20857`	Rockville, MD	0.0 mi
`20883`	Gaithersburg, MD	0.4 mi
`20850`	Rockville, MD	1.5 mi
`20851`	Rockville, MD	1.8 mi
`20852`	Rockville, MD	2.7 mi
`20853`	Rockville, MD	3.4 mi
`20855`	Derwood, MD	3.8 mi
`20880`	Washington Grove, MD	4.1 mi
`20877`	Gaithersburg, MD	4.4 mi

Find every ZIP code within 10 miles of 20847 →

Questions about this ZIP code

Where is ZIP code 20847?

20847 is in Rockville, Maryland, in Montgomery County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 39.0840, -77.1528.

What county is 20847 in?

20847 lies in Montgomery County.

What area code is 20847?

Rockville uses area codes 240, 301 and 227, from NANPA's telephone records.

What time zone is 20847 in?

20847 uses America/New_York.

What ZIP codes are near 20847?

The closest are 20849 (0 mi), 20857 (0 mi), 20883 (0.4 mi), 20850 (1.5 mi) and 20851 (1.8 mi).

Is 20847 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.

Download or cite

Cite this page

zipcodes.pro. “20847 ZIP Code — Rockville, Maryland (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20847

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/20847.json

Underlying data is public domain or openly licensed — sources, vintages and licences.