Odenton, MD ZIP Codes
Odenton, Maryland has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which Odenton ZIP code is my address in?
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?
Odenton ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: the Odenton Census outline.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Odenton ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 21054 | street delivery; mail may be addressed to Gambrills Gambrills |
| 21113 | street delivery Millersville |
ZIP codes from nearby towns that reach into Odenton
- 21144, mailing town Severn, covers 3 percent of Odenton
Why your mail may say Odenton when you live outside it
A letter addressed to Odenton can go to a home outside the town, because ZIP areas follow delivery routes, not town lines.
The reverse happens too: parts of Odenton use 21144, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Anne Arundel County property records show which city you are in.
Odenton ZIP code questions
What is the main ZIP code for Odenton?
21054, the ZIP code of the main Gambrills post office at 388 Gambrills Rd.
What county is Odenton in?
Anne Arundel County.
ZIP codes for towns near Odenton
More towns near Odenton: Columbia, College Park, Catonsville, Ellicott City, Baltimore, Chillum, Woodlawn, Dundalk, Silver Spring.
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