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/DANVILLE

Danville ZIP codes, Maryland

No ZIP code is named for Danville, MD; addresses there use a neighbouring town's name. The ZIP code covering it is 21557. Its area codes are 240, 227 and 301.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
341
Area codes
240, 227, 301

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

Danville in numbers

About 341 people live in Danville, in 288 households. The median age is 56.5; 16.1% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland).

Population341Danville341
Households288Danville288
Median age56.5Danville56.5Maryland39.4US 38.9
Bachelor's degree or higher16.1%Danville16.1%Maryland43.4%US 35.7%
Population density299 / sq miDanville299 / sq mi

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

ZIP codes covering Danville

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

ZIP codes overlapping Danville
ZIP City Type Population Median income Median home
21557 Rawlings , MD Standard 1,481 $34,936 $123,300

Map of Danville ZIP codes

21557

The ZIP codes of Danville, 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 Danville

The nearest larger towns are Rawlings (476 people, 2.6 mi), McCoole (373 people, 4.9 mi) and Lonaconing (889 people, 5.0 mi).

Towns near Danville
TownPopulationDistance
Keyser, WV 4,857 6.0 mi
Cresaptown 5,121 7.2 mi
Frostburg 6,977 9.7 mi
La Vale 4,196 12.2 mi
Cumberland 18,804 12.9 mi

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

Cite this page

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

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