| 21711 Big Pool | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21722 Big Spring | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21713 Boonsboro | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21715 Brownsville | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21719 Cascade | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21720 Cavetown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21721 Chewsville | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21747 Citicorp | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21748 Citicorp | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21749 Citicorp (BRM) | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21722 Clear Spring | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21733 Fairplay | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21719 Fort Ritchie | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21734 Funkstown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21779 Gapland | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21740 Hagerstown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21741 Hagerstown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21742 Hagerstown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21746 Hagerstown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21747 Hagerstown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21748 Hagerstown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21749 Hagerstown | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21750 Hancock | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21719 Highfield | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21756 Keedysville | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21746 Maryland Correctional System | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21767 Maugansville | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21742 Northern | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21779 Rohrersville | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21781 Saint James | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21782 Sharpsburg | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21783 Smithsburg | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |
| 21795 Williamsport | 301/240/227 | Washington County | Maryland - MD | Hagerstown, MD (3180) | MSA |