ZIP codes of cities in Maryland
Maryland has six hundred three ZIP Codes for postal services.
| City | Zipcode | Type |
|---|---|---|
| Zipcode of Aberdeen | 21001 | Standard |
| Zipcode of Aberdeen Proving Ground | 21005 | Standard |
| Zipcode of Abingdon | 21009 | Standard |
| Zipcode of Gunpowder | 21010 | Standard |
| Zipcode of Arnold | 21012 | Standard |
| Zipcode of Baldwin | 21013 | Standard |
| Zipcode of Bel Air | 21014 | Standard |
| Zipcode of Bel Air | 21015 | Standard |
| Zipcode of Belcamp | 21017 | Standard |
| Zipcode of Benson | 21018 | PO Box |
| Zipcode of Boring | 21020 | PO Box |
| Zipcode of Brooklandville | 21022 | PO Box |
| Zipcode of Butler | 21023 | PO Box |
| Zipcode of Chase | 21027 | PO Box |
| Zipcode of Churchville | 21028 | Standard |
| Zipcode of Clarksville | 21029 | Standard |
| Zipcode of Cockeysville | 21030 | Standard |
| Zipcode of Hunt Valley | 21031 | Standard |
| Zipcode of Crownsville | 21032 | Standard |
| Zipcode of Darlington | 21034 | Standard |
| Zipcode of Davidsonville | 21035 | Standard |
| Zipcode of Dayton | 21036 | Standard |
| Zipcode of Edgewater | 21037 | Standard |
| Zipcode of Edgewood | 21040 | Standard |
| Zipcode of Ellicott City | 21041 | PO Box |