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Annapolis, MD ZIP codes

Annapolis, Maryland has 8 ZIP codes, including 3 PO Box ZIPs. They are in Anne Arundel County.

Population in these ZIPs
96,397
Avg. median income
$126,700population-weighted
Typical home value
$623,000population-weighted
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ZIP codes within 10 miles

Annapolis, MD ZIP codes list

Annapolis, MD ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
21401Anne Arundel County38,629$123,381$629,700
21402Anne Arundel County4,303$80,893—
21403Anne Arundel County32,681$123,329$619,800
21404 PO BoxAnne Arundel County———
21405Anne Arundel County495$160,703$1,561,900
21409Anne Arundel County20,289$147,151$592,600
21411 PO BoxAnne Arundel County———
21412 PO BoxAnne Arundel County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

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Frequently asked questions

What is the ZIP code for Annapolis, MD?

Annapolis, MD has 8 ZIP codes: 21401, 21402, 21403, 21404, 21405, 21409, 21411 and 21412.

What county is Annapolis, Maryland in?

Annapolis ZIP codes are in Anne Arundel County.

Which Annapolis ZIP codes are PO Boxes?

21404, 21411 and 21412 are PO Box or single-organization ZIP codes; they have no residential delivery area.