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/ISSUE

Issue ZIP code, Maryland

The ZIP code for Issue, MD is 20645, and its area codes are 240, 301 and 227.

USPS city name
1 ZIP code
Population
814
Area codes
240, 301, 227

NANPA lists no telephone rate centre for Issue itself, so these are the area codes of the nearest one, Mechanicsville (12.6 miles). A town on an area-code boundary can differ from its neighbour.

Issue in numbers

About 814 people live in Issue, in 298 households. The median household income is $191,429 a year, 85% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $531,500 (27% above the Maryland median).

Population814Issue814
Households298Issue298
Median household income$191,429Issue$191,429Maryland$103,678US $80,734
Median home value$531,500Issue$531,500Maryland$419,900US $332,700

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

ZIP codes addressed as Issue

ZIP codes with the USPS city name Issue
ZIP City Type Population Median income Median home
20645 Issue , MD Standard 814 $191,429 $531,500

Map of Issue ZIP codes

20645

The ZIP codes of Issue, 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 Issue

The nearest larger towns are Cobb Island (916 people, 4.3 mi), Colonial Beach, VA (3,966 people, 4.8 mi) and Dahlgren, VA (3,350 people, 8.6 mi).

Towns near Issue
TownPopulationDistance
Colonial Beach, VA 3,966 4.8 mi
Dahlgren, VA 3,350 8.6 mi
King George, VA 4,851 14.6 mi
Leonardtown 4,808 15.0 mi
La Plata 10,683 17.3 mi
Golden Beach 3,830 17.7 mi
Wildewood 7,552 20.0 mi
Waldorf 82,943 21.6 mi
Bensville 15,848 22.3 mi
California 13,136 23.0 mi
Bryans Road 9,371 23.3 mi
Indian Head 4,055 24.5 mi
Prince Frederick 2,955 24.6 mi
Lexington Park 13,252 25.8 mi

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

Cite this page

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

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