Maryland ZIP Codes

Maryland has a total of 609 ZIP Codes. The ZIP Code Prefixes for Maryland ZIP codes are 20 and 21.

Maryland ZIP Code Map

Click on the map to get information on ZIP Codes based on lat/lon. The layer control in the upper right corner can be used to toggle county and city boundaries over ZIP Code boundaries.
Click on the Map for More Data...

Related Maps and Data:

  1. Maryland Area Code Map
  2. Atlas of Maryland Politics
  3. Atlas of Maryland
  4. Map of Metropolitan/Micropolitan Statistical Areas in Maryland
  5. Maryland County Map
  6. Map of Majority Race/Ethnicity for Counties in Maryland
  7. Map of Public School Majority Race/Ethnicity for Counties in Maryland
  8. Map of SNAP/Food Stamp Participation for Counties in Maryland
  9. Map of Partisan Voting Index for Counties in Maryland
  10. Map of Population Change for Counties in Maryland
  11. Map of the Wealthiest ZIP Codes in Maryland
  12. Maryland Unemployment Rate Heat Map
  13. Map of Maryland Congressional Districts
  14. Map of Maryland Regional Market Areas

Most Popular ZIP Code Searches in Maryland

2026 zipdatamaps.com