ZIP code 21403
Where is ZIP code 21403?
Annapolis, Maryland
Anne Arundel County · Standard ZIP code
ZIP code 21403 belongs to Annapolis, Maryland in Anne Arundel County. 21403 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 32,681 people live in the 21403 area, where the median household income is $123,329. The closest ZIP codes are 21404 (Annapolis, 1.8 mi north), 21402 (Annapolis, 2.6 mi northeast) and 21037 (Edgewater, 3.8 mi southwest).
| ZIP code | 21403 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Annapolis |
| Also accepted | Highland Bch |
| State | Maryland (MD) |
| County | Anne Arundel County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 38.9524, -76.491 map |
| 3-digit prefix | 214 |
Population and income in 21403
| Population | 32,681 · higher than 84% of Maryland ZIP codes |
|---|---|
| People per square mile | 3,526 · higher than 85% of Maryland ZIP codes |
| Median age | 45.3 years · higher than 68% of Maryland ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $123,329 · higher than 64% of Maryland ZIP codes |
| Income per person | $78,015 |
| Below the poverty line | 5.8% |
| Bachelor’s degree or higher | 56% of adults 25+ |
| Median home value | $582,500 · higher than 80% of Maryland ZIP codes |
| Median rent | $1,942 a month |
| Housing units | 15,460 |
| Households | 14,359 (2.26 people on average) |
| Owners / renters | 69% / 31% |
| Land area | 9.27 sq mi (plus 4.76 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21403. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21403
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21404 | Annapolis, MD | 1.8 mi N | PO Box only |
| 21402 | Annapolis, MD | 2.6 mi NE | Standard |
| 21037 | Edgewater, MD | 3.8 mi SW | Standard |
| 21401 | Annapolis, MD | 4.1 mi NW | Standard |
| 21106 | Mayo, MD | 4.6 mi S | PO Box only |
| 21140 | Riva, MD | 5.1 mi W | Standard |
| 21062 | Glen Burnie, MD | 5.8 mi W | Unique |
| 21123 | Pasadena, MD | 5.8 mi W | PO Box only |
| 21411 | Annapolis, MD | 5.8 mi W | Unique |
| 21412 | Annapolis, MD | 5.8 mi W | Standard |
| 21405 | Annapolis, MD | 6.3 mi NW | Standard |
| 21012 | Arnold, MD | 6.6 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21403 or measure the distance to another ZIP code.
How to address mail to 21403
123 MAIN ST
ANNAPOLIS MD 21403
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts HIGHLAND BCH as the city name for 21403. Adding the 4-digit ZIP+4 code (21403-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Annapolis, MD
All Annapolis ZIP codes with population and income →
Questions
- What city is ZIP code 21403?
- 21403 is a Annapolis, Maryland ZIP code. Highland Bch is also accepted as the city name.
- What county is 21403 in?
- ZIP code 21403 is in Anne Arundel County, Maryland.
- What time zone is ZIP code 21403 in?
- 21403 is in the Eastern Time zone (America/New_York).
- What area code is 21403?
- Phone numbers in ZIP code 21403 use area codes 410, 443 and 667.
- What is the population of ZIP code 21403?
- About 32,681 people live in ZIP code 21403, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21403?
- The median household income in 21403 is $123,329 a year, higher than 64% of Maryland ZIP codes.
- What ZIP codes are near 21403?
- The nearest ZIP codes to 21403 are 21404 (Annapolis, 1.8 miles), 21402 (Annapolis, 2.6 miles), 21037 (Edgewater, 3.8 miles) and 21401 (Annapolis, 4.1 miles).