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/UPPER-FALLS

Upper Falls ZIP code, Maryland

The ZIP code for Upper Falls, MD is 21156, and its area codes are 410, 443 and 667.

USPS city name
1 ZIP code
Population
204
Area codes
410, 443, 667

NANPA lists no telephone rate centre for Upper Falls itself, so these are the area codes of the nearest one, Fork (4.1 miles). A town on an area-code boundary can differ from its neighbour.

Upper Falls in numbers

About 204 people live in Upper Falls, in 65 households. The median owner-occupied home is valued at $793,800 (89% above the Maryland median).

Population204Upper Falls204
Households65Upper Falls65
Median home value$793,800Upper Falls$793,800Maryland$419,900US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Upper Falls. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Upper Falls

ZIP codes with the USPS city name Upper Falls
ZIP City Type Population Median income Median home
21156 Upper Falls , MD Standard 204 — $793,800

Map of Upper Falls ZIP codes

21156

The ZIP codes of Upper Falls, 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 Upper Falls

The nearest larger towns are Kingsville (4,687 people, 2.1 mi), Honeygo (12,250 people, 2.2 mi) and Joppatowne (14,237 people, 2.9 mi).

Towns near Upper Falls
TownPopulationDistance
Kingsville 4,687 2.1 mi
Honeygo 12,250 2.2 mi
Joppatowne 14,237 2.9 mi
Pleasant Hills 3,836 4.0 mi
Perry Hall 29,105 4.2 mi
White Marsh 10,932 4.4 mi
Edgewood 24,922 5.7 mi
Middle River 31,712 6.3 mi
Rossville 16,059 6.4 mi
Carney 28,343 6.6 mi
Abingdon 5,019 7.4 mi
Bel Air South 58,137 7.4 mi
Fallston 10,013 7.5 mi
Overlea 13,035 7.6 mi

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

Cite this page

zipcodes.pro. “Upper Falls, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/upper-falls

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