| Marker | City | State | Zipcode |
|---|---|---|---|
| A | Washington DC | DC | 20020 |
| B | Columbia | MD | 21045 |
| C | Elkridge | MD | 21075 |
| D | Baltimore | MD | 21201 |
| E | Baltimore | MD | 21202 |
| F | Towson | MD | 21204 |
| G | Baltimore | MD | 21205 |
| H | Baltimore | MD | 21206 |
| I | Gwynn Oak | MD | 21207 |
| J | Pikesville | MD | 21208 |
| K | Baltimore | MD | 21212 |
| L | Baltimore | MD | 21213 |
| M | Baltimore | MD | 21215 |
| N | Baltimore | MD | 21216 |
| O | Baltimore | MD | 21217 |
| P | Baltimore | MD | 21218 |
| Q | Sparrows Point | MD | 21219 |
| R | Baltimore | MD | 21223 |
| S | Baltimore | MD | 21224 |
| T | Anne Arundel County | MD | 21225 |
| U | Baltimore | MD | 21229 |
| V | Baltimore | MD | 21230 |
| W | Danville | VI | 24541 |
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