Maryland · Harford

21005 ZIP Code

21005 is associated with Aberdeen Proving Ground, Maryland. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.

ZIP details

ZIP code: 21005
City: Aberdeen Proving Ground
State: Maryland (MD)
County: Harford
Timezone: America/New_York
State sales tax: Varies by state

Open map Maryland hub

Nearby ZIP codes

21001Aberdeen, MD 21009Abingdon, MD 21010Gunpowder, MD 21012Arnold, MD 20997Silver Spring, MD 21013Baldwin, MD 21014Bel Air, MD 21015Bel Air, MD

Questions about 21005

What city is ZIP code 21005 in?+

21005 is associated with Aberdeen Proving Ground, Maryland in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.

What county is 21005 in?+

Harford. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.

What timezone is 21005 in?+

America/New_York. This is the IANA timezone name for the city associated with the ZIP.

Is 21005 a real ZIP code?+

It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.

All ZIP codes Validate a full address