Parkville, MD ZIP Code
Parkville, Maryland has one ZIP code: .
Mail addressed to Parkville covers nearby places too.
Where the 21234 ZIP code reaches
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Dashed line: the Parkville Census outline.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Parkville
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
ZIP codes from nearby towns that reach into Parkville
- 21286, mailing town Towson, covers 6 percent of Parkville
Why your mail may say Parkville when you live outside it
Parkville ZIP codes also cover Carney, so a letter addressed to Parkville can go to a home outside the town.
The reverse happens too: parts of Parkville use 21286, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Baltimore County property records show which city you are in.
Parkville ZIP code questions
What is the main ZIP code for Parkville?
21234, the ZIP code of the main Parkville post office at 8201 Harford Rd.
What county is Parkville in?
Baltimore County.
ZIP codes for towns near Parkville
More towns near Parkville: Woodlawn, Milford Mill, Owings Mills, Catonsville, Randallstown, Bel Air North, Bel Air South, Pasadena, Glen Burnie.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections