City · Maryland · United States
Olney, MD — ZIP codes
2 ZIP codes · Montgomery County
- City
- Olney
- County
- Montgomery
- State
- Maryland
- Country
- United States
- Postal codes
- 2083020832Single source
- Coordinates
- 39.1552, -77.0667 View on OpenStreetMap
- Area codes
- 240, 301, 227 (from the nearest rate centre)
ZIP codes (2)
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · NOAA NCEI · usda-phzm · U.S. Census Bureau (ACS) · U.S. Census Bureau. Last generated : 2026-08-21. Report an error.