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 — CITY/MD/REDLAND

Redland ZIP codes, Maryland

No ZIP code is named for Redland, MD; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 20877, 20879 and 20855. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
18,665
Area codes
240, 301, 227

NANPA lists no telephone rate centre for Redland itself, so these are the area codes of the nearest one, Gaithersburg (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Redland in numbers

About 18,665 people live in Redland, in 6,038 households. The median household income is $132,153 a year, 27% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $540,200 (29% above the Maryland median), and median gross rent is $2,221 a month. The median age is 40.7; 53.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 35 minutes.

Population18,665Redland18,665
Households6,038Redland6,038
Median age40.7Redland40.7Maryland39.4US 38.9
Median household income$132,153Redland$132,153Maryland$103,678US $80,734
Median home value$540,200Redland$540,200Maryland$419,900US $332,700
Median gross rent$2,221Redland$2,221Maryland$1,705US $1,413
Bachelor's degree or higher53.2%Redland53.2%Maryland43.4%US 35.7%
Mean commute34.8 minRedland34.8 minMaryland31.1 minUS 26.4 min
Population density2,598 / sq miRedland2,598 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Redland CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Redland

These ZIP codes cover part of Redland but are addressed as somewhere else.

ZIP codes overlapping Redland
ZIP City Type Population Median income Median home
20855 Derwood , MD Standard 17,279 $149,110 $640,300
20877 Gaithersburg , MD Standard 38,546 $92,800 $474,800
20879 Gaithersburg , MD Standard 25,264 $112,104 $468,100

Map of Redland ZIP codes

The ZIP codes of Redland, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Redland

The nearest larger towns are Gaithersburg (69,825 people, 2.9 mi), Rockville (67,671 people, 3.4 mi) and Olney (35,797 people, 4.0 mi).

Towns near Redland
TownPopulationDistance
Gaithersburg 69,825 2.9 mi
Flower Hill 13,794 3.2 mi
Rockville 67,671 3.4 mi
Olney 35,797 4.0 mi
Aspen Hill 53,279 4.4 mi
Leisure World 8,882 4.6 mi
Montgomery Village 34,110 5.0 mi
North Potomac 23,922 5.6 mi
Layhill 5,497 6.4 mi
North Bethesda 49,677 6.8 mi
Glenmont 17,208 6.8 mi
Germantown 90,719 7.0 mi
Wheaton 52,926 7.4 mi
North Kensington 8,954 7.6 mi

More nearby: every ZIP code in Montgomery County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Redland, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/redland

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