.
Howard ZIP Codes — Maryland (MD)
| City or Location | County or District | States or Territories | States or Territories Abbrieviation | ZIP Code or Postcode |
|---|---|---|---|---|
| Dhs | Howard | Maryland | MD | 20588 |
| Annapolis Junction | Howard | Maryland | MD | 20701 |
| Laurel | Howard | Maryland | MD | 20723 |
| Fulton | Howard | Maryland | MD | 20759 |
| Savage | Howard | Maryland | MD | 20763 |
| Highland | Howard | Maryland | MD | 20777 |
| Jessup | Howard | Maryland | MD | 20794 |
| Clarksville | Howard | Maryland | MD | 21029 |
| Dayton | Howard | Maryland | MD | 21036 |
| Ellicott City | Howard | Maryland | MD | 21041 |
| Ellicott City | Howard | Maryland | MD | 21042 |
| Ellicott City | Howard | Maryland | MD | 21043 |
| Columbia | Howard | Maryland | MD | 21044 |
| Columbia | Howard | Maryland | MD | 21045 |
| Columbia | Howard | Maryland | MD | 21046 |
| Elkridge | Howard | Maryland | MD | 21075 |
| Simpsonville | Howard | Maryland | MD | 21150 |
| Cooksville | Howard | Maryland | MD | 21723 |
| Glenelg | Howard | Maryland | MD | 21737 |
| Glenwood | Howard | Maryland | MD | 21738 |
| Lisbon | Howard | Maryland | MD | 21765 |
| West Friendship | Howard | Maryland | MD | 21794 |
.