College Park, MD ZIP Codes
College Park, Maryland has 3 ZIP codes: for street addresses, for PO boxes and for a single organization.
Mail addressed to College Park covers nearby places too.
Where the 20740 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
20741 and 20742 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: College Park city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in College Park
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?
College Park PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 20740 | street delivery North College Park |
| 20741 | PO boxes at the College Park post office College Park |
| 20742 | one organization North College Park |
Why your mail may say College Park when you live outside it
College Park ZIP codes also cover Berwyn Heights, so a letter addressed to College Park can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Prince George's County property records show which city you are in.
College Park ZIP code questions
What is the main ZIP code for College Park?
20740, the ZIP code of the main North College Park post office at 9591 Baltimore Ave.
Which College Park ZIP codes are for PO boxes only?
20741. Mail to it goes to boxes at the post office, not to street addresses.
What county is College Park in?
Prince George's County.
ZIP codes for towns near College Park
More towns near College Park: Aspen Hill, Bowie, Arlington, Olney, Rockville, Potomac, Odenton, McLean, Alexandria.
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