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City ZIP codes · Maryland

Annapolis, MD ZIP Codes

8 ZIP codes use the postal name Annapolis, Maryland (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 5 residential and 3 for PO boxes or a single organization. Median household income runs from $123,329 in 21403 to $147,151 in 21409 (Census Bureau, ACS 2020-2024). Annapolis's most populous ZIP code is 21401, with 38,629 people (ACS 2020-2024); 19% of its land is in the city of Annapolis.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Annapolis's ZIP codes?

21401: $123k median household income21402: $81k median household income21403: $123k median household income21405: $161k median household income21409: $147k median household income214012140921403214022140521401: $123k median household income21402: $81k median household income21403: $123k median household income21405: $161k median household income21409: $147k median household income214012140921403214022140521401: $123k median household income21402: $81k median household income21403: $123k median household income21405: $161k median household income21409: $147k median household income2140121409214032140221405
The 5 residential ZIP codes named Annapolis, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Annapolis's ZIP codes?

The highest median household income is in 21409 ($147,151), the lowest in 21403 ($123,329). Home values run from $535,500 in 21409 to $601,400 in 21401.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 5 residential ZIP codes of Annapolis

Residential ZIP codes with the postal name Annapolis, MD, largest first (ACS 2020-2024); sort by any column
County
21401 Anne Arundel County 38,629 1,938 $123k $601k
21403 Anne Arundel County 32,681 3,526 $123k $583k
21409 Anne Arundel County 20,289 1,449 $147k $536k
21402 Anne Arundel County 4,303 2,297 $81k –
21405 Anne Arundel County 495 484 $161k $986k

Download the 8 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Annapolis

3 ZIP codes named Annapolis have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Annapolis, MD: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
21404Anne Arundel County
21411Anne Arundel County
21412Anne Arundel County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Annapolis's ZIP codes reach?

Annapolis's residential ZIP codes lie in Anne Arundel County.

Which places do Annapolis's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Annapolis's residential ZIP codes cover Annapolis itself and 6 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Annapolis Neck census-designated 21403
  • Arnold census-designated 21409
  • Cape St. Claire census-designated 21409
  • Highland Beach 21403
  • Naval Academy census-designated 21402
  • Parole census-designated 21401

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Annapolis's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Annapolis starts with 214.

Three-digit prefixes of Annapolis's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Annapolis's
PrefixSectional centerHereAll codes
214 Linthicum, MD (SCF 210) 8 8

All 8 ZIP codes that start with 214 are Annapolis's: 5 residential codes and 3 PO Box or unique codes, sorted at Linthicum, MD (SCF 210).

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.