Maryland · Carroll

21757 ZIP Code

21757 is associated with Keymar, Maryland. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.

ZIP details

ZIP code: 21757
City: Keymar
State: Maryland (MD)
County: Carroll
Timezone: America/New_York
State sales tax: Varies by state

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Nearby ZIP codes

21756Keedysville, MD 21758Knoxville, MD 21755Jefferson, MD 21759Ladiesburg, MD 21754Ijamsville, MD 21762Libertytown, MD 21750Hancock, MD 21749Hagerstown, MD

Questions about 21757

What city is ZIP code 21757 in?+

21757 is associated with Keymar, Maryland in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.

What county is 21757 in?+

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

What timezone is 21757 in?+

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

Is 21757 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