County: Howard
| Zip code | County Code |
MSA Code |
City | State |
|---|---|---|---|---|
| 20588 | 24027 | Washington, DC-MD-VA-WV | DHS | Maryland |
| 20701 | 24027 | Baltimore, MD | Annapolis Junction | Maryland |
| 20723 | 24027 | Baltimore, MD | Laurel | Maryland |
| 20759 | 24027 | Baltimore, MD | Fulton | Maryland |
| 20763 | 24027 | Baltimore, MD | Savage | Maryland |
| 20777 | 24027 | Baltimore, MD | Highland | Maryland |
| 20794 | 24027 | Baltimore, MD | Jessup | Maryland |
| 21029 | 24027 | Baltimore, MD | Clarksville | Maryland |
| 21036 | 24027 | Baltimore, MD | Dayton | Maryland |
| 21041 | 24027 | Baltimore, MD | Ellicott City | Maryland |
| 21042 | 24027 | Baltimore, MD | Ellicott City | Maryland |
| 21043 | 24027 | Baltimore, MD | Ellicott City | Maryland |
| 21044 | 24027 | Baltimore, MD | Columbia | Maryland |
| 21045 | 24027 | Baltimore, MD | Columbia | Maryland |
| 21046 | 24027 | Baltimore, MD | Columbia | Maryland |
| 21075 | 24027 | Baltimore, MD | Elkridge | Maryland |
| 21150 | 24027 | Baltimore, MD | Simpsonville | Maryland |
| 21163 | 24027 | Baltimore, MD | Woodstock | Maryland |
| 21723 | 24027 | Baltimore, MD | Cooksville | Maryland |
| 21737 | 24027 | Baltimore, MD | Glenelg | Maryland |
| 21738 | 24027 | Baltimore, MD | Glenwood | Maryland |
| 21765 | 24027 | Baltimore, MD | Lisbon | Maryland |
| 21794 | 24027 | Baltimore, MD | West Friendship | Maryland |
| 21797 | 24027 | Baltimore, MD | Woodbine | Maryland |