ZIP report cards
Maryland
24 counties with graded ZIP codes. Choose one to see every ZIP code in it.
- Allegany County12 ZIPs
- Anne Arundel County39 ZIPs
- Baltimore city22 ZIPs
- Baltimore County44 ZIPs
- Calvert County12 ZIPs
- Caroline County8 ZIPs
- Carroll County9 ZIPs
- Cecil County15 ZIPs
- Charles County22 ZIPs
- Dorchester County16 ZIPs
- Frederick County27 ZIPs
- Garrett County12 ZIPs
- Harford County20 ZIPs
- Howard County19 ZIPs
- Kent County9 ZIPs
- Montgomery County48 ZIPs
- Prince George's County36 ZIPs
- Queen Anne's County12 ZIPs
- Somerset County9 ZIPs
- St. Mary's County26 ZIPs
- Talbot County15 ZIPs
- Washington County19 ZIPs
- Wicomico County16 ZIPs
- Worcester County10 ZIPs