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/LEWISTOWN

Lewistown ZIP codes, Maryland

No ZIP code is named for Lewistown, MD; addresses there use a neighbouring town's name. The ZIP code covering it is 21788. Its area codes are 240, 227 and 301.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
362
Area codes
240, 227, 301

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

Lewistown in numbers

About 362 people live in Lewistown, in 134 households. The median household income is $98,523 a year, 5% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $326,100 (22% below the Maryland median). The median age is 37.6; 26.7% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland).

Population362Lewistown362
Households134Lewistown134
Median age37.6Lewistown37.6Maryland39.4US 38.9
Median household income$98,523Lewistown$98,523Maryland$103,678US $80,734
Median home value$326,100Lewistown$326,100Maryland$419,900US $332,700
Bachelor's degree or higher26.7%Lewistown26.7%Maryland43.4%US 35.7%
Population density566 / sq miLewistown566 / sq mi

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

ZIP codes covering Lewistown

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

ZIP codes overlapping Lewistown
ZIP City Type Population Median income Median home
21788 Thurmont , MD Standard 11,654 $98,856 $379,200

Map of Lewistown ZIP codes

21788

The ZIP codes of Lewistown, 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 Lewistown

The nearest larger towns are Walkersville (6,414 people, 5.5 mi), Thurmont (6,254 people, 5.6 mi) and Woodsboro (1,540 people, 5.9 mi).

Towns near Lewistown
TownPopulationDistance
Walkersville 6,414 5.5 mi
Thurmont 6,254 5.6 mi
Frederick 83,395 7.3 mi
Middletown 5,014 9.2 mi
Braddock Heights 2,892 9.8 mi
Spring Ridge 5,922 10.3 mi
Linganore 14,444 10.8 mi
Ballenger Creek 26,390 11.0 mi
Bartonsville 3,282 11.1 mi
Smithsburg 3,115 11.6 mi
Emmitsburg 2,845 12.6 mi
Boonsboro 3,809 13.2 mi
Jefferson 3,314 13.7 mi
Robinwood 8,042 14.2 mi

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

Cite this page

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

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