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/HILLSBORO

Hillsboro ZIP code, Maryland

The ZIP code for Hillsboro, MD is 21641, and its area codes are 667 and 410.

USPS city name
1 ZIP code
Population
127
Area codes
667, 410

ZIP codes addressed as Hillsboro

ZIP codes with the USPS city name Hillsboro
ZIP City Type Population Median income Median home
21641 Hillsboro , MD Standard 127 $66,875 $254,200

Map of Hillsboro ZIP codes

21641

The ZIP codes of Hillsboro, 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 Hillsboro

The nearest larger towns are Queen Anne (210 people, 0.6 mi), Ridgely (1,772 people, 4.0 mi) and Cordova (448 people, 4.6 mi).

Towns near Hillsboro
TownPopulationDistance
Denton 4,936 6.8 mi
Greensboro 2,634 8.3 mi
Centreville 4,761 10.8 mi
Easton 17,308 11.9 mi
Grasonville 3,564 14.0 mi
Federalsburg 2,837 18.0 mi
Chester 4,797 18.8 mi
Harrington, DE 3,838 19.9 mi
Hurlock 2,819 20.5 mi
Stevensville 8,802 20.6 mi
Chestertown 5,594 22.0 mi
Bridgeville, DE 2,745 22.6 mi
Riverview, DE 2,596 24.0 mi
Camden, DE 4,106 24.2 mi

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

Cite this page

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

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