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/POTOMAC-PARK

Potomac Park ZIP codes, Maryland

No ZIP code is named for Potomac Park, MD; addresses there use a neighbouring town's name. The ZIP code covering it is 21502. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
978
Area codes
240, 301, 227

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

Potomac Park in numbers

About 978 people live in Potomac Park, in 379 households. The median household income is $53,221 a year, 49% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $139,400 (67% below the Maryland median), and median gross rent is $963 a month. The median age is 44.7; 8.4% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 22 minutes.

Population978Potomac Park978
Households379Potomac Park379
Median age44.7Potomac Park44.7Maryland39.4US 38.9
Median household income$53,221Potomac Park$53,221Maryland$103,678US $80,734
Median home value$139,400Potomac Park$139,400Maryland$419,900US $332,700
Median gross rent$963Potomac Park$963Maryland$1,705US $1,413
Bachelor's degree or higher8.4%Potomac Park8.4%Maryland43.4%US 35.7%
Mean commute21.6 minPotomac Park21.6 minMaryland31.1 minUS 26.4 min
Population density2,534 / sq miPotomac Park2,534 / sq mi

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

ZIP codes covering Potomac Park

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

ZIP codes overlapping Potomac Park
ZIP City Type Population Median income Median home
21502 Cumberland , MD Standard 41,015 $60,725 $153,700

Map of Potomac Park ZIP codes

21502

The ZIP codes of Potomac Park, 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 Potomac Park

The nearest larger towns are Carpendale, WV (1,035 people, 1.4 mi), Cresaptown (5,121 people, 1.9 mi) and Bel Air (1,837 people, 3.3 mi).

Towns near Potomac Park
TownPopulationDistance
Cresaptown 5,121 1.9 mi
Cumberland 18,804 3.8 mi
La Vale 4,196 4.2 mi
Frostburg 6,977 6.8 mi
Keyser, WV 4,857 15.1 mi

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

Cite this page

zipcodes.pro. “Potomac Park, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/potomac-park

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