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/HERALD-HARBOR

Herald Harbor ZIP codes, Maryland

No ZIP code is named for Herald Harbor, MD; addresses there use a neighbouring town's name. The ZIP code covering it is 21032. Its area codes are 443, 410 and 667.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
2,430
Area codes
443, 410, 667

NANPA lists no telephone rate centre for Herald Harbor itself, so these are the area codes of the nearest one, Annapolis (3.0 miles). A town on an area-code boundary can differ from its neighbour.

Herald Harbor in numbers

About 2,430 people live in Herald Harbor, in 982 households. The median household income is $147,778 a year, 43% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $598,600 (43% above the Maryland median), and median gross rent is $2,481 a month. The median age is 44.3; 60.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 28 minutes.

Population2,430Herald Harbor2,430
Households982Herald Harbor982
Median age44.3Herald Harbor44.3Maryland39.4US 38.9
Median household income$147,778Herald Harbor$147,778Maryland$103,678US $80,734
Median home value$598,600Herald Harbor$598,600Maryland$419,900US $332,700
Median gross rent$2,481Herald Harbor$2,481Maryland$1,705US $1,413
Bachelor's degree or higher60.2%Herald Harbor60.2%Maryland43.4%US 35.7%
Mean commute27.6 minHerald Harbor27.6 minMaryland31.1 minUS 26.4 min
Population density1,447 / sq miHerald Harbor1,447 / sq mi

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

ZIP codes covering Herald Harbor

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

ZIP codes overlapping Herald Harbor
ZIP City Type Population Median income Median home
21032 Crownsville , MD Standard 8,850 $168,653 $682,100

Map of Herald Harbor ZIP codes

21032

The ZIP codes of Herald Harbor, 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 Herald Harbor

The nearest larger towns are Severna Park (40,228 people, 2.5 mi), Arnold (24,303 people, 3.8 mi) and Parole (17,229 people, 4.5 mi).

Towns near Herald Harbor
TownPopulationDistance
Severna Park 40,228 2.5 mi
Arnold 24,303 3.8 mi
Parole 17,229 4.5 mi
Gambrills 2,830 5.0 mi
Lake Shore 18,249 5.4 mi
Crofton 29,549 6.2 mi
Odenton 45,002 6.5 mi
Annapolis 40,720 6.6 mi
Naval Academy 3,006 6.8 mi
Cape St. Claire 9,236 7.0 mi
Pasadena 34,309 7.3 mi
Riva 4,976 7.4 mi
Glen Burnie 72,590 7.5 mi
Edgewater 8,519 7.8 mi

More nearby: every ZIP code in Anne Arundel County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Herald Harbor, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/herald-harbor

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