Postal codes for Frederick County-Maryland
Frederick County-MarylandFrederick County-MarylandFrederick County-MarylandFrederick County-Maryland
| 21701 Frederick | 301/240/227 | Frederick County | Maryland (MD) |
| 21701 Hood College | 301/240/227 | Frederick County | Maryland (MD) |
| 21701 Lewistown | 301/240/227 | Frederick County | Maryland (MD) |
| 21702 College Estates | 301/240/227 | Frederick County | Maryland (MD) |
| 21702 Fort Detrick | 301/240/227 | Frederick County | Maryland (MD) |
| 21702 Frederick | 301/240/227 | Frederick County | Maryland (MD) |
| 21703 Frederick | 301/240/227 | Frederick County | Maryland (MD) |
| 21704 Frederick | 301/240/227 | Frederick County | Maryland (MD) |
| 21704 Urbana | 301/240/227 | Frederick County | Maryland (MD) |
| 21705 Frederick | 301/240/227 | Frederick County | Maryland (MD) |
| 21709 State Farm Ins Co | 301/240/227 | Frederick County | Maryland (MD) |
| 21709 Frederick | 301/240/227 | Frederick County | Maryland (MD) |
| 21710 Adamstown | 301/240/227 | Frederick County | Maryland (MD) |
| 21710 Doubs | 301/240/227 | Frederick County | Maryland (MD) |
| 21714 Braddock Heights | 301/240/227 | Frederick County | Maryland (MD) |
| 21716 Brunswick | 301/240/227 | Frederick County | Maryland (MD) |
| 21716 Knoxville | 301/240/227 | Frederick County | Maryland (MD) |
| 21717 Buckeystown | 301/240/227 | Frederick County | Maryland (MD) |
| 21718 Burkittsville | 301/240/227 | Frederick County | Maryland (MD) |
| 21727 Emmitsburg | 301/240/227 | Frederick County | Maryland (MD) |
| 21754 Ijamsville | 301/240/227 | Frederick County | Maryland (MD) |
| 21755 Jefferson | 301/240/227 | Frederick County | Maryland (MD) |
| 21758 Brunswick | 301/240/227 | Frederick County | Maryland (MD) |
| 21758 Knoxville | 301/240/227 | Frederick County | Maryland (MD) |
| 21759 Ladiesburg | 301/240/227 | Frederick County | Maryland (MD) |
| 21762 Libertytown | 301/240/227 | Frederick County | Maryland (MD) |
| 21769 Middletown | 301/240/227 | Frederick County | Maryland (MD) |
| 21770 Monrovia | 301/240/227 | Frederick County | Maryland (MD) |
| 21771 Mount Airy | 301/240/227 | Frederick County | Maryland (MD) |
| 21773 Myersville | 301/240/227 | Frederick County | Maryland (MD) |
| 21774 Lake Linganore | 301/240/227 | Frederick County | Maryland (MD) |
| 21774 New Market | 301/240/227 | Frederick County | Maryland (MD) |
| 21775 New Midway | 301/240/227 | Frederick County | Maryland (MD) |
| 21777 Point of Rocks | 301/240/227 | Frederick County | Maryland (MD) |
| 21778 Rocky Ridge | 301/240/227 | Frederick County | Maryland (MD) |
| 21780 Sabillasville | 301/240/227 | Frederick County | Maryland (MD) |
| 21788 Graceham | 301/240/227 | Frederick County | Maryland (MD) |
| 21788 Thurmont | 301/240/227 | Frederick County | Maryland (MD) |
| 21790 Tuscarora | 301/240/227 | Frederick County | Maryland (MD) |
| 21792 Unionville | 301/240/227 | Frederick County | Maryland (MD) |
| 21793 Walkersville | 301/240/227 | Frederick County | Maryland (MD) |
| 21798 Woodsboro | 301/240/227 | Frederick County | Maryland (MD) |
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Frederick County-MarylandFrederick County-Maryland