US location post office
Maryland ZIP Codes
| ZIP Code | Type | City | County | County Code |
|---|---|---|---|---|
| 21875 | Standard | Delmar | Wicomico | 24045 |
| 21890 | Unique | Westover | Somerset | 24039 |
| 21901 | Standard | North East | Cecil | 24015 |
| 21902 | POBox | Perry Point | Cecil | 24015 |
| 21903 | Standard | Perryville | Cecil | 24015 |
| 21904 | Standard | Port Deposit | Cecil | 24015 |
| 21911 | Standard | Rising Sun | Cecil | 24015 |
| 21912 | Standard | Warwick | Cecil | 24015 |
| 21913 | POBox | Cecilton | Cecil | 24015 |
| 21914 | POBox | Charlestown | Cecil | 24015 |
| 21915 | Standard | Chesapeake City | Cecil | 24015 |
| 21916 | POBox | Childs | Cecil | 24015 |
| 21917 | Standard | Colora | Cecil | 24015 |
| 21918 | Standard | Conowingo | Cecil | 24015 |
| 21919 | Standard | Earleville | Cecil | 24015 |
| 21920 | POBox | Elk Mills | Cecil | 24015 |
| 21921 | Standard | Elkton | Cecil | 24015 |
| 21930 | POBox | Georgetown | Cecil | 24015 |
Maryland Cities & Towns
- Baltimore(23)
- Silver Spring(7)
- Frederick(5)
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- Westover(2)
- Perry Hall(1)
- Temple Hills(1)
- Fork(1)
- Burtonsville(1)
- Hurlock(1)
- Sherwood(1)
- Williamsport(1)
- Deal Island(1)
- Montgomery Village(1)
- Barclay(1)
- Prince Frederick(1)
- Chesapeake Beach(1)
- Lanham(1)
- Taneytown(1)
- Edgewood(1)
- North East(1)
- Bloomington(1)
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